I try to study fiddler recently and there are some problems. I need you help!! Thank you!!

I download a SDK from github and compile and run it on my computer. One of its samples is used to dynmic register and has TLS/Https connection with the cloud. When I run this sample, I cannot find any related packets from Fiddler, but I can capture the data packet from Wireshark.

I have configured the proxy server and port as it required: 127.0.0.1:8888.

So how can I capture the data packet of the SDK sample from Fiddler??

I need your help!! Thank you!! QWQ

I have installed the "progress-telerik-fiddler.AppImage" tool on Fedora 31 (Gnome).

Installation of this AppImage worked fine (including setup of a system-proxy and inclusion of Fiddler-icon on the Gnome panel) - nevertheless, this tool is not what was intended.

What is the proper uninstall-procedure on Linux, please? Could not find anything for Linux in the documentation or forum.

 

My sanity is being tested...

We are trying to troubleshoot an issue with the Okta Single-Sign-On app on iOS (13.+).  It worked in August with Fiddler, and now does not.  iOS update?  Okta update?  Who knows.  Below are what I feel are relevant log entries from Fiddler.

Basically, when the Fiddler proxy is active you can't authenticate with the Okta iOS app ('Sign in failed!').  The Okta web portal works fine.  The App store also doesn't work, if that helps.

I keep seeing references to Certificate Pinning.  Not sure if that's what's happening or if there is any way around it.

15:00:15:1955 !SecureClientPipeDirect failed: System.IO.IOException Authentication failed because the remote party has closed the transport stream. for pipe (CN=*.crashlytics.com, O=DO_NOT_TRUST_BC, OU=Created by http://www.fiddler2.com)
15:00:17:0550 HTTPSLint> Warning: ClientHello record was 508 bytes long. Some servers have problems with ClientHello's greater than 255 bytes. https://github.com/ssllabs/research/wiki/Long-Handshake-Intolerance
15:00:17:0930 !SecureClientPipeDirect failed: System.IO.IOException Authentication failed because the remote party has closed the transport stream. for pipe (CN=*.crashlytics.com, O=DO_NOT_TRUST_BC, OU=Created by http://www.fiddler2.com)
15:00:17:1220 HTTPSLint> Warning: ClientHello record was 508 bytes long. Some servers have problems with ClientHello's greater than 255 bytes. https://github.com/ssllabs/research/wiki/Long-Handshake-Intolerance
15:00:17:1591 !SecureClientPipeDirect failed: System.IO.IOException Authentication failed because the remote party has closed the transport stream. for pipe (CN=*.crashlytics.com, O=DO_NOT_TRUST_BC, OU=Created by http://www.fiddler2.com)
15:00:18:6217 HTTPSLint> Warning: ClientHello record was 508 bytes long. Some servers have problems with ClientHello's greater than 255 bytes. https://github.com/ssllabs/research/wiki/Long-Handshake-Intolerance
15:00:18:7449 !SecureClientPipeDirect failed: System.IO.IOException Authentication failed because the remote party has closed the transport stream. for pipe (CN=*.okta.com, O=DO_NOT_TRUST_BC, OU=Created by http://www.fiddler2.com)
15:00:18:7769 HTTPSLint> Warning: ClientHello record was 508 bytes long. Some servers have problems with ClientHello's greater than 255 bytes. https://github.com/ssllabs/research/wiki/Long-Handshake-Intolerance
15:00:18:8480 !SecureClientPipeDirect failed: System.IO.IOException Authentication failed because the remote party has closed the transport stream. for pipe (CN=*.okta.com, O=DO_NOT_TRUST_BC, OU=Created by http://www.fiddler2.com)
15:00:19:3274 HTTPSLint> Warning: ClientHello record was 508 bytes long. Some servers have problems with ClientHello's greater than 255 bytes. https://github.com/ssllabs/research/wiki/Long-Handshake-Intolerance
15:00:19:3605 !SecureClientPipeDirect failed: System.IO.IOException Authentication failed because the remote party has closed the transport stream. for pipe (CN=*.crashlytics.com, O=DO_NOT_TRUST_BC, OU=Created by http://www.fiddler2.com)
15:00:19:3885 HTTPSLint> Warning: ClientHello record was 508 bytes long. Some servers have problems with ClientHello's greater than 255 bytes. https://github.com/ssllabs/research/wiki/Long-Handshake-Intolerance
15:00:19:4214 !SecureClientPipeDirect failed: System.IO.IOException Authentication failed because the remote party has closed the transport stream. for pipe (CN=*.crashlytics.com, O=DO_NOT_TRUST_BC, OU=Created by http://www.fiddler2.com)

15:00:21:8030 HTTPSLint> Warning: ClientHello record was 508 bytes long. Some servers have problems with ClientHello's greater than 255 bytes. https://github.com/ssllabs/research/wiki/Long-Handshake-Intolerance

15:00:21:8531 !SecureClientPipeDirect failed: System.IO.IOException Authentication failed because the remote party has closed the transport stream. for pipe (CN=*.crashlytics.com, O=DO_NOT_TRUST_BC, OU=Created by http://www.fiddler2.com)
15:00:23:4728 HTTPSLint> Warning: ClientHello record was 508 bytes long. Some servers have problems with ClientHello's greater than 255 bytes. https://github.com/ssllabs/research/wiki/Long-Handshake-Intolerance
15:00:23:5238 !SecureClientPipeDirect failed: System.IO.IOException Authentication failed because the remote party has closed the transport stream. for pipe (CN=*.crashlytics.com, O=DO_NOT_TRUST_BC, OU=Created by http://www.fiddler2.com)
15:00:24:0954 HTTPSLint> Warning: ClientHello record was 508 bytes long. Some servers have problems with ClientHello's greater than 255 bytes. https://github.com/ssllabs/research/wiki/Long-Handshake-Intolerance
15:00:24:1735 !SecureClientPipeDirect failed: System.IO.IOException Authentication failed because the remote party has closed the transport stream. for pipe (CN=*.crashlytics.com, O=DO_NOT_TRUST_BC, OU=Created by http://www.fiddler2.com)
15:00:31:5667 HTTPSLint> Warning: ClientHello record was 508 bytes long. Some servers have problems with ClientHello's greater than 255 bytes. https://github.com/ssllabs/research/wiki/Long-Handshake-Intolerance

Thank you!

Good day

I am developing Win Forms app.

There is no problem to capture traffic from buil-in Web browser control

using the following code:

 

            FiddlerApplication.AfterSessionComplete += FiddlerApplication_AfterSessionComplete;
            FiddlerApplication.BeforeRequest += new SessionStateHandler(FiddlerApplication_BeforeRequest);
            FiddlerApplication.Startup(0, FiddlerCoreStartupFlags.Default & ~FiddlerCoreStartupFlags.RegisterAsSystemProxy);
            Fiddler.URLMonInterop.SetProxyInProcess("127.0.0.1:" + FiddlerApplication.oProxy.ListenPort.ToString(), "<-loopback>");

 

but whatever i tried i failed to capture traffic from Internet explorer (sas well as from any other external web browser)

could you please suggest what i must change to capture request/responces from IE?

Thank you

Hello,

 

I have a bit of a problem that I caused while using Fiddle 4 for home use.

I had Fiddler open and clicked the "Winconfig" button by mistake.

At same time I had an update install on windows and the system restarted with Fiddler open.

Now my Network is screwed up and does not work right as i get no internet.

I reset network in window 10 and that did not fix the issue.

I ran network troubleshooter and that did not fix the issue.

I then opened windows Proxy and saw that manual proxy was turned on and had some weird info in it.

It said the following in address section "http=127.0.0.1:8888;https" and then some other info

Below that it said "<-loopback>"

 

Now I disabled the manual proxy and got my network back so I can use internet.

But as soon as system restarts the manual proxy is again turned on with same info.

 

So how do I fix the screwup I assume I caused when I clicked Winconfig in fiddle and then system restarted?

 

Thanks in advance

Fred

I apologize for possible errors, I use a translator. The phone sends information to the server via post request. The information sent is valid only for 5 seconds and if the request is sent in this interval, the server reports - 301 Moved Permanently . If more than 5 seconds have passed - 401 Unauthorized. I try to repeat the request through the "Composer" function, but the server constantly writes 401. The server sees that the sent request is old, not new. Is it possible to make a request be sent via Composer and accepted by the server?

Hi Everyone,

When I ran mono fiddler.exe it keeps crashing on mac. 

Below is the crash log: mono version is the latest downloaded from http://www.mono-project.com/download/

Mono release is: 5.2.0 Stable (5.2.0.215)

Fiddler downloaded: https://www.telerik.com/download/fiddler

Please advise if anyone has come across such issues when installing it on MAC?

In Terminal I am this:

=====

=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries 
used by your application.
=================================================================


Process 4029 detached
(lldb) quit
Abort trap: 6

 

====

 

Below is what is shown in the Apple Crash Logs:
----------------------------

Process:               mono-sgen64 [4029]
Path:                  /Library/Frameworks/Mono.framework/Versions/Current/Commands/mono
Identifier:            mono-sgen64
Version:               ???
Code Type:             X86-64 (Native)
Parent Process:        bash [1521]
Responsible:           mono-sgen64 [4029]
User ID:               501

Date/Time:             2017-09-17 10:52:08.199 +0800
OS Version:            Mac OS X 10.12.6 (16G29)
Report Version:        12
Anonymous UUID:        138FD123-B67B-10EA-00E0-9755D9DBE845


Time Awake Since Boot: 1900 seconds

System Integrity Protection: enabled

Crashed Thread:        0  tid_307  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_ACCESS (SIGABRT)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000004280a80
Exception Note:        EXC_CORPSE_NOTIFY

External Modification Warnings:
Debugger attached to process.

VM Regions Near 0x4280a80:
--> 
    __TEXT                 0000000104a95000-0000000104e3b000 [ 3736K] r-x/rwx SM=COW  /Library/Frameworks/Mono.framework/Versions/5.2.0/bin/mono-sgen64

Application Specific Information:
abort() called

Thread 0 Crashed:: tid_307  Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib        0x00007fffcf6a7d42 __pthread_kill + 10
1   libsystem_pthread.dylib       0x00007fffcf795457 pthread_kill + 90
2   libsystem_c.dylib             0x00007fffcf60d420 abort + 129
3   mono                          0x0000000104b501d7 mono_handle_native_crash + 631
4   mono                          0x0000000104bb5ec6 altstack_handle_and_restore + 70 (exceptions-amd64.c:795)
5   com.apple.SkyLight            0x00007fffcb8c9fc2 SLDisplayBounds + 50
6   ???                           0x000000010c5c876e 0 + 4502357870
7   ???                           0x0000000104fe441f 0 + 4378739743
8   mono                          0x0000000104aa6505 mono_jit_runtime_invoke + 2245 (mini-runtime.c:2549)
9   mono                          0x0000000104ca7d48 do_runtime_invoke + 88 (object.c:2829)
10  mono                          0x0000000104ca3cdd mono_runtime_class_init_full + 1021 (object.c:472)
11  mono                          0x0000000104a9fefa mono_jit_compile_method_inner + 2442 (mini.c:4365)
12  mono                          0x0000000104aa284a mono_jit_compile_method_with_opt + 714 (mini-runtime.c:1889)
13  mono                          0x0000000104b5266f common_call_trampoline + 1199 (mini-trampolines.c:704)
14  mono                          0x0000000104b52189 mono_magic_trampoline + 73 (mini-trampolines.c:834)
15  ???                           0x0000000104f0739e 0 + 4377834398
16  ???                           0x000000010c276fd5 0 + 4498878421
17  ???                           0x00000001088727b7 0 + 4438042551
18  ???                           0x0000000108872480 0 + 4438041728
19  ???                           0x0000000104fe400c 0 + 4378738700
20  mono                          0x0000000104aa6505 mono_jit_runtime_invoke + 2245 (mini-runtime.c:2549)
21  mono                          0x0000000104ca7d48 do_runtime_invoke + 88 (object.c:2829)
22  mono                          0x0000000104cab1bc do_exec_main_checked + 140 (object.c:4623)
23  mono                          0x0000000104b1534e mono_jit_exec + 302 (driver.g.c:1040)
24  mono                          0x0000000104b17757 mono_main + 8167 (driver.g.c:2248)
25  mono                          0x0000000104a9759a main + 1690 (.main.c:339)
26  mono                          0x0000000104a96ef4 start + 52

Thread 1:: SGen worker
0   libsystem_kernel.dylib        0x00007fffcf6a7bf2 __psynch_cvwait + 10
1   libsystem_pthread.dylib       0x00007fffcf7937fa _pthread_cond_wait + 712
2   mono                          0x0000000104d1eb55 thread_func + 245 (mono-os-mutex.h:173)
3   libsystem_pthread.dylib       0x00007fffcf79293b _pthread_body + 180
4   libsystem_pthread.dylib       0x00007fffcf792887 _pthread_start + 286
5   libsystem_pthread.dylib       0x00007fffcf79208d thread_start + 13

Thread 2:: Finalizer
0   libsystem_kernel.dylib        0x00007fffcf6a0386 semaphore_wait_trap + 10
1   mono                          0x0000000104ca0693 finalizer_thread + 195 (mono-os-semaphore.h:91)
2   mono                          0x0000000104c73a6b start_wrapper + 715 (threads.c:829)
3   libsystem_pthread.dylib       0x00007fffcf79293b _pthread_body + 180
4   libsystem_pthread.dylib       0x00007fffcf792887 _pthread_start + 286
5   libsystem_pthread.dylib       0x00007fffcf79208d thread_start + 13

Thread 3:
0   libsystem_pthread.dylib       0x00007fffcf792070 start_wqthread + 0
1   ???                           0x00007f88fdd844f8 0 + 140226351088888

Thread 4:
0   libsystem_pthread.dylib       0x00007fffcf792070 start_wqthread + 0
1   ???                           0x00048c0000000003 0 + 1279831534731267

Thread 5:
0   libsystem_pthread.dylib       0x00007fffcf792070 start_wqthread + 0
1   ???                           0x6469746e65696c63 0 + 7235442293844044899

Thread 6:
0   libsystem_pthread.dylib       0x00007fffcf792070 start_wqthread + 0

Thread 7:: Timer-Scheduler
0   mono                          0x0000000104b3d1a9 load_method + 1833 (aot-runtime.c:3970)
1   mono                          0x0000000104b37f45 mono_aot_get_method_from_vt_slot + 373 (aot-runtime.c:2468)
2   mono                          0x0000000104b53721 mono_vcall_trampoline + 97 (mini-trampolines.c:884)
3   ???                           0x0000000104f0879e 0 + 4377839518
4   mscorlib.dll.dylib            0x0000000106b1b0c0 System_Threading_Timer_Scheduler_SchedulerThread + 576
5   mscorlib.dll.dylib            0x0000000106b0e177 System_Threading_ThreadHelper_ThreadStart_Context_object + 151
6   mscorlib.dll.dylib            0x0000000106b0be11 System_Threading_ExecutionContext_Run_System_Threading_ExecutionContext_System_Threading_ContextCallback_object_bool + 33
7   mono                          0x0000000104aa6505 mono_jit_runtime_invoke + 2245 (mini-runtime.c:2549)
8   mono                          0x0000000104ca7d48 do_runtime_invoke + 88 (object.c:2829)
9   mono                          0x0000000104c73a9e start_wrapper + 766 (threads.c:839)
10  libsystem_pthread.dylib       0x00007fffcf79293b _pthread_body + 180
11  libsystem_pthread.dylib       0x00007fffcf792887 _pthread_start + 286
12  libsystem_pthread.dylib       0x00007fffcf79208d thread_start + 13

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x0000000000000006  rcx: 0x00007fff5b168338  rdx: 0x0000000000000000
  rdi: 0x0000000000000307  rsi: 0x0000000000000006  rbp: 0x00007fff5b168360  rsp: 0x00007fff5b168338
   r8: 0x0000000000000040   r9: 0x00007fffd8471040  r10: 0x0000000008000000  r11: 0x0000000000000206
  r12: 0x0000000104d57734  r13: 0x00007fffd8471a20  r14: 0x00007fffd848d3c0  r15: 0x0000000000000fbd
  rip: 0x00007fffcf6a7d42  rfl: 0x0000000000000206  cr2: 0x00007fffd846f128
  
Logical CPU:     0
Error Code:      0x02000148
Trap Number:     133


Binary Images:
       0x104a95000 -        0x104e3afff +mono (???) <C5CEBC69-4763-393A-9D5B-826F3643CAD7> /Library/Frameworks/Mono.framework/Versions/Current/Commands/mono
       0x1068e5000 -        0x106fcdff8 +mscorlib.dll.dylib (0) <6E9203B3-01CC-3005-937C-6557B33DCC91> /Library/Frameworks/Mono.framework/Versions/5.2.0/lib/mono/4.5/mscorlib.dll.dylib
       0x108878000 -        0x1088f5ff7 +libgdiplus.dylib (1) <BE3D0C93-31DC-362A-83FA-90A571C396BD> /Library/Frameworks/Mono.framework/Versions/5.2.0/lib/libgdiplus.dylib
       0x10890d000 -        0x10891cff7 +libintl.8.dylib (10.2) <CDC34C70-5C99-3C74-BC55-D955FA741838> /Library/Frameworks/Mono.framework/Versions/5.2.0/lib/libintl.8.dylib
       0x108921000 -        0x10892afff +libgif.4.1.6.dylib (6.6) <94DD6439-C21F-3673-8701-F4518BCD7631> /Library/Frameworks/Mono.framework/Versions/5.2.0/lib/libgif.4.1.6.dylib
       0x10892e000 -        0x108947ffb  libexpat.1.dylib (15) <F48F1B7B-BEB4-32EE-8C5D-0370096F3864> /usr/lib/libexpat.1.dylib
       0x10b82a000 -        0x10b92cfff +libglib-2.0.0.dylib (3601.4) <FE57F588-9232-344F-9A64-519E2602B76E> /Library/Frameworks/Mono.framework/Versions/5.2.0/lib/libglib-2.0.0.dylib
       0x10b951000 -        0x10ba92fff +libcairo.2.dylib (11203.14) <626AF3F4-E5D1-333A-8BC3-BB7EB8D4E673> /Library/Frameworks/Mono.framework/Versions/5.2.0/lib/libcairo.2.dylib
       0x10baca000 -        0x10be67ff7 +libpixman-1.0.dylib (31) <B7C83A70-38F0-323A-9152-86DB61CC12D6> /Library/Frameworks/Mono.framework/Versions/5.2.0/lib/libpixman-1.0.dylib
       0x10be7e000 -        0x10bf10ff7 +libtiff.5.dylib (8) <241E57ED-6B82-3304-8384-08E62D50FDB7> /Library/Frameworks/Mono.framework/Versions/5.2.0/lib/libtiff.5.dylib
       0x10bf21000 -        0x10bf72fff +libjpeg.8.dylib (9) <111A75BD-4B3D-33FB-9F34-04CD0E1B2BAB> /Library/Frameworks/Mono.framework/Versions/5.2.0/lib/libjpeg.8.dylib
       0x10bf7a000 -        0x10bfc1ff7 +libfontconfig.1.dylib (8.2) <1BE58D09-32D3-3741-B760-68E9C259AFD2> /Library/Frameworks/Mono.framework/Versions/5.2.0/lib/libfontconfig.1.dylib
       0x10bfcd000 -        0x10c095ff7 +libfreetype.6.dylib (17.2) <FD1B6D6D-844E-35A0-88E8-6D0FD32FB925> /Library/Frameworks/Mono.framework/Versions/5.2.0/lib/libfreetype.6.dylib
       0x10c0ae000 -        0x10c0e2ff7 +libpng14.14.dylib (27) <A7B519B7-140E-3581-BED1-72E3336C9FF8> /Library/Frameworks/Mono.framework/Versions/5.2.0/lib/libpng14.14.dylib
       0x10c0ea000 -        0x10c11eff7 +libexpat.1.5.2.dylib (7.2) <711E8565-8FCE-3242-BC29-E2DED915CA6E> /Library/Frameworks/Mono.framework/Versions/5.2.0/lib/libexpat.1.5.2.dylib
       0x10e58c000 -        0x10e5c9dc7  dyld (433.5) <322C06B7-8878-311D-888C-C8FD2CA96FF3> /usr/lib/dyld
    0x7fffb68ce000 -     0x7fffb68cefff  com.apple.Accelerate (1.11 - Accelerate 1.11) <916E360F-323C-3AE1-AB3D-D1F3B284AEE9> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
    0x7fffb68e7000 -     0x7fffb6e00feb  com.apple.vImage (8.1 - ???) <B58A7937-BEE2-38FE-87F4-5D5F40D31DC9> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
    0x7fffb6e01000 -     0x7fffb6f72ff3  libBLAS.dylib (1185.50.4) <4087FFE0-627E-3623-96B4-F0A9A1991E09> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
    0x7fffb6f73000 -     0x7fffb6f87ffb  libBNNS.dylib (15) <254698C7-7D36-3FFF-864E-ADEEEE543076> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBNNS.dylib
    0x7fffb6f88000 -     0x7fffb737efef  libLAPACK.dylib (1185.50.4) <C35FFB2F-A0E6-3903-8A3C-113A74BCBCA2> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
    0x7fffb737f000 -     0x7fffb7395fff  libLinearAlgebra.dylib (1185.50.4) <345CAACF-7263-36EF-B69B-793EA8B390AF> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLinearAlgebra.dylib
    0x7fffb7396000 -     0x7fffb739cfff  libQuadrature.dylib (3) <EF56C8E6-DE22-3C69-B543-A8648F335FDD> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libQuadrature.dylib
    0x7fffb739d000 -     0x7fffb73b1ff7  libSparseBLAS.dylib (1185.50.4) <67BA432E-FB59-3C78-A8BE-ED4274CBC359> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparseBLAS.dylib
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    0x7fffc5420000 -     0x7fffc5430fff  com.apple.CoreEmoji (1.0 - 40.3.3) <E9A28301-2D79-3A97-A046-028258A6ABE5> /System/Library/PrivateFrameworks/CoreEmoji.framework/Versions/A/CoreEmoji
    0x7fffc576b000 -     0x7fffc579bff3  com.apple.CoreServicesInternal (276.2 - 276.2) <05EB7D45-DD4C-3A0F-AC63-A0C2A68E6481> /System/Library/PrivateFrameworks/CoreServicesInternal.framework/Versions/A/CoreServicesInternal
    0x7fffc5abc000 -     0x7fffc5bfbfe7  com.apple.coreui (2.1 - 431.3) <2E8FEC10-FC5B-3782-92DA-A85C24B7BF7C> /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/CoreUI
    0x7fffc5bfc000 -     0x7fffc5cccff3  com.apple.CoreUtils (5.1 - 510.31) <E68BB8ED-8874-36EC-A7C5-1017C0E727CB> /System/Library/PrivateFrameworks/CoreUtils.framework/Versions/A/CoreUtils
    0x7fffc5d1c000 -     0x7fffc5d81ff3  com.apple.framework.CoreWiFi (12.0 - 1200.31) <DF0972EF-F817-3FD3-8C00-2D57B8738D8C> /System/Library/PrivateFrameworks/CoreWiFi.framework/Versions/A/CoreWiFi
    0x7fffc5d82000 -     0x7fffc5d90ff7  com.apple.CrashReporterSupport (10.12 - 827) <802A9B81-E349-348B-90AB-10E40B654250> /System/Library/PrivateFrameworks/CrashReporterSupport.framework/Versions/A/CrashReporterSupport
    0x7fffc5e0d000 -     0x7fffc5e11ff3  com.apple.DSExternalDisplay (3.1 - 380) <4B5E3FF0-E8C3-38CC-BF72-418C928956AB> /System/Library/PrivateFrameworks/DSExternalDisplay.framework/Versions/A/DSExternalDisplay
    0x7fffc5f38000 -     0x7fffc6049fff  com.apple.desktopservices (1.11.5 - 1.11.5) <46A9D4F3-1EF8-373C-98A4-AD48D285E484> /System/Library/PrivateFrameworks/DesktopServicesPriv.framework/Versions/A/DesktopServicesPriv
    0x7fffc6331000 -     0x7fffc6762ff7  com.apple.vision.FaceCore (3.3.2 - 3.3.2) <9391D5A3-738C-3136-9D07-518CB43DBADA> /System/Library/PrivateFrameworks/FaceCore.framework/Versions/A/FaceCore
    0x7fffc7ab9000 -     0x7fffc7ab9fff  libmetal_timestamp.dylib (600.0.49.9) <E5EED927-1671-3390-BCBB-D76201D63C73> /System/Library/PrivateFrameworks/GPUCompiler.framework/libmetal_timestamp.dylib
    0x7fffc84b7000 -     0x7fffc852dff3  com.apple.Heimdal (4.0 - 2.0) <8F9C9041-66D5-36C9-8A4C-1658035C311D> /System/Library/PrivateFrameworks/Heimdal.framework/Versions/A/Heimdal
    0x7fffc8b48000 -     0x7fffc8b4fffb  com.apple.IOAccelerator (311.14 - 311.14) <278124AF-02DC-3785-9FA9-14EDB8E5FD56> /System/Library/PrivateFrameworks/IOAccelerator.framework/Versions/A/IOAccelerator
    0x7fffc8b51000 -     0x7fffc8b65ff7  com.apple.IOPresentment (1.0 - 29.10) <30DF04EE-10E2-353F-845F-A97B87DF3207> /System/Library/PrivateFrameworks/IOPresentment.framework/Versions/A/IOPresentment
    0x7fffc8b66000 -     0x7fffc8b88fff  com.apple.IconServices (74.4 - 74.4) <218DDD05-35F4-3833-B98D-471ED0EBC031> /System/Library/PrivateFrameworks/IconServices.framework/Versions/A/IconServices
    0x7fffc8c6f000 -     0x7fffc8e26fff  com.apple.LanguageModeling (1.0 - 123.2.5) <A8CA965F-0399-310D-91C3-B93DDDE9A442> /System/Library/PrivateFrameworks/LanguageModeling.framework/Versions/A/LanguageModeling
    0x7fffc9747000 -     0x7fffc97c0ff7  com.apple.MetalPerformanceShaders.MetalPerformanceShaders (1.0 - 1) <C323FC94-FFA5-3EE6-B2AC-7E61EA92F304> /System/Library/PrivateFrameworks/MetalPerformanceShaders.framework/Versions/A/MetalPerformanceShaders
    0x7fffc993b000 -     0x7fffc9963ff7  com.apple.MultitouchSupport.framework (368.16 - 368.16) <9E602B4A-22CD-3CF3-B284-78D5123C9AE8> /System/Library/PrivateFrameworks/MultitouchSupport.framework/Versions/A/MultitouchSupport
    0x7fffc9a15000 -     0x7fffc9a20fff  com.apple.NetAuth (6.2 - 6.2) <97F487D6-8089-31A8-B68C-6C1EAC6ED1B5> /System/Library/PrivateFrameworks/NetAuth.framework/Versions/A/NetAuth
    0x7fffcaa21000 -     0x7fffcaa3bfff  com.apple.ProtocolBuffer (1 - 249.1) <A1F1B0F3-078F-378F-A9A9-0DEEA70E816A> /System/Library/PrivateFrameworks/ProtocolBuffer.framework/Versions/A/ProtocolBuffer
    0x7fffcb7d3000 -     0x7fffcb860fff  com.apple.Sharing (696.2.67 - 696.2.67) <F681EE28-153F-3216-97A6-6F5E4148AB2E> /System/Library/PrivateFrameworks/Sharing.framework/Versions/A/Sharing
    0x7fffcb881000 -     0x7fffcbae7feb  com.apple.SkyLight (1.600.0 - 170.3) <38AC05EF-3A9E-3E3E-9849-04E0223DF7B9> /System/Library/PrivateFrameworks/SkyLight.framework/Versions/A/SkyLight
    0x7fffcbcc6000 -     0x7fffcbcd2ff7  com.apple.SpeechRecognitionCore (3.3.2 - 3.3.2) <684BD1EA-8268-331C-A5A9-080EB375C658> /System/Library/PrivateFrameworks/SpeechRecognitionCore.framework/Versions/A/SpeechRecognitionCore
    0x7fffcc871000 -     0x7fffcc877ff7  com.apple.TCC (1.0 - 1) <911B534B-4AC7-34E4-935E-E42ECD008CBC> /System/Library/PrivateFrameworks/TCC.framework/Versions/A/TCC
    0x7fffcc903000 -     0x7fffcc9c9ff7  com.apple.TextureIO (2.8 - 2.8) <3D61E533-4156-3B21-B7ED-CB823E680DFC> /System/Library/PrivateFrameworks/TextureIO.framework/Versions/A/TextureIO
    0x7fffcdc80000 -     0x7fffcdc82ffb  com.apple.loginsupport (1.0 - 1) <F3140B97-12C3-35A7-9D3D-43DA2D13C113> /System/Library/PrivateFrameworks/login.framework/Versions/A/Frameworks/loginsupport.framework/Versions/A/loginsupport
    0x7fffcdcd7000 -     0x7fffcdcf2ff7  libCRFSuite.dylib (34) <F78B7F5F-0B4F-35C6-AA2F-84EE9CB22137> /usr/lib/libCRFSuite.dylib
    0x7fffcdcf3000 -     0x7fffcdcfefff  libChineseTokenizer.dylib (21) <0886E908-A825-36AF-B94B-2361FD8BC2A1> /usr/lib/libChineseTokenizer.dylib
    0x7fffcdd90000 -     0x7fffcdd91ff3  libDiagnosticMessagesClient.dylib (102) <84A04D24-0E60-3810-A8C0-90A65E2DF61A> /usr/lib/libDiagnosticMessagesClient.dylib
    0x7fffcdd92000 -     0x7fffcdfa5fff  libFosl_dynamic.dylib (16.39) <E22A4243-D148-3C74-BA15-2D906A3D1F9E> /usr/lib/libFosl_dynamic.dylib
    0x7fffcdfc9000 -     0x7fffcdfc9fff  libOpenScriptingUtil.dylib (172) <90743888-C1E8-34E3-924E-1A754B2B63B9> /usr/lib/libOpenScriptingUtil.dylib
    0x7fffcdfcf000 -     0x7fffcdfd0ffb  libSystem.B.dylib (1238.60.2) <F18AC1E7-C6F1-34B1-8069-BE571B3231D4> /usr/lib/libSystem.B.dylib
    0x7fffce03c000 -     0x7fffce067ff3  libarchive.2.dylib (41.70.1) <A3FA7D6E-3D68-3524-8B48-EB2ECA44B13B> /usr/lib/libarchive.2.dylib
    0x7fffce068000 -     0x7fffce0e4fc7  libate.dylib (1.12.13) <D0767875-D02E-3377-84D8-5F174C27BEA9> /usr/lib/libate.dylib
    0x7fffce0e8000 -     0x7fffce0e8ff3  libauto.dylib (187) <34388D0B-C539-3C1B-9408-2BC152162E43> /usr/lib/libauto.dylib
    0x7fffce0e9000 -     0x7fffce0f9ff3  libbsm.0.dylib (34) <20084796-B04D-3B35-A003-EA11459557A9> /usr/lib/libbsm.0.dylib
    0x7fffce0fa000 -     0x7fffce108ff7  libbz2.1.0.dylib (38) <ADFA329A-DCE7-356D-8F09-A3168DFC6610> /usr/lib/libbz2.1.0.dylib
    0x7fffce109000 -     0x7fffce15fff7  libc++.1.dylib (307.5) <0B43BB5D-E6EB-3464-8DE9-B41AC8ED9D1C> /usr/lib/libc++.1.dylib
    0x7fffce160000 -     0x7fffce189ff7  libc++abi.dylib (307.4) <BC271AD3-831B-362A-9DA7-E8C51F285FE4> /usr/lib/libc++abi.dylib
    0x7fffce18a000 -     0x7fffce19affb  libcmph.dylib (6) <2B5D405E-2D0B-3320-ABD6-622934C86ABE> /usr/lib/libcmph.dylib
    0x7fffce19b000 -     0x7fffce1b1fcf  libcompression.dylib (39) <F2726F95-F54E-3B21-BCB5-F7151DEFDC2F> /usr/lib/libcompression.dylib
    0x7fffce1b2000 -     0x7fffce1b2ff7  libcoretls.dylib (121.50.4) <64B1001E-10F6-3542-A3B2-C4B49F51817F> /usr/lib/libcoretls.dylib
    0x7fffce1b3000 -     0x7fffce1b4ff3  libcoretls_cfhelpers.dylib (121.50.4) <1A10303E-5EB0-3C7C-9165-021FCDFD934D> /usr/lib/libcoretls_cfhelpers.dylib
    0x7fffce4f1000 -     0x7fffce544ff7  libcups.2.dylib (450) <9950BFCB-7882-33C9-9ECF-CE66773C5657> /usr/lib/libcups.2.dylib
    0x7fffce5c1000 -     0x7fffce5c1fff  libenergytrace.dylib (15) <A1B040A2-7977-3097-9ADF-34FF181EB970> /usr/lib/libenergytrace.dylib
    0x7fffce5d1000 -     0x7fffce5d6ff7  libheimdal-asn1.dylib (498.50.8) <A40E3196-235E-34CE-AD9A-8D1AFC5DE004> /usr/lib/libheimdal-asn1.dylib
    0x7fffce5d7000 -     0x7fffce6c9ff7  libiconv.2.dylib (50) <42125B35-81D7-3FC4-9475-A26DBE10884D> /usr/lib/libiconv.2.dylib
    0x7fffce6ca000 -     0x7fffce8efffb  libicucore.A.dylib (57166.0.1) <CCD2ED24-3071-383B-925D-8D763BB12A6F> /usr/lib/libicucore.A.dylib
    0x7fffce8f5000 -     0x7fffce8f6fff  liblangid.dylib (126) <2085E7A7-9A34-3735-87F4-F174EF8EABF0> /usr/lib/liblangid.dylib
    0x7fffce8f7000 -     0x7fffce910ffb  liblzma.5.dylib (10) <44BD0279-99DD-36B5-8A6E-C11432E2098D> /usr/lib/liblzma.5.dylib
    0x7fffce911000 -     0x7fffce927ff7  libmarisa.dylib (5) <9030D214-5D0F-30CB-AC03-902C63909362> /usr/lib/libmarisa.dylib
    0x7fffce928000 -     0x7fffcebd0ff7  libmecabra.dylib (744.8) <D429FCC9-42A4-38B3-8784-44024BC859EF> /usr/lib/libmecabra.dylib
    0x7fffcec03000 -     0x7fffcec7dff3  libnetwork.dylib (856.60.1) <191E99F5-4723-3180-8013-02AF2F9AE4B8> /usr/lib/libnetwork.dylib
    0x7fffcec7e000 -     0x7fffcf050047  libobjc.A.dylib (709.1) <70614861-0340-32E2-85ED-FE65759CDFFA> /usr/lib/libobjc.A.dylib
    0x7fffcf053000 -     0x7fffcf057fff  libpam.2.dylib (21.30.1) <71EB0D88-DE84-3C8D-A2C5-58AA282BC5BC> /usr/lib/libpam.2.dylib
    0x7fffcf058000 -     0x7fffcf089fff  libpcap.A.dylib (67.60.1) <F6BC6ED6-AEE4-3520-B248-0C342636E2B0> /usr/lib/libpcap.A.dylib
    0x7fffcf0a6000 -     0x7fffcf0c2ffb  libresolv.9.dylib (64) <A244AE4C-00B0-396C-98FF-97FE4DB3DA30> /usr/lib/libresolv.9.dylib
    0x7fffcf112000 -     0x7fffcf260ff7  libsqlite3.dylib (254.8) <1ECF7DF7-7A07-3B4B-A63B-F4EFF6BC7ACF> /usr/lib/libsqlite3.dylib
    0x7fffcf355000 -     0x7fffcf362fff  libxar.1.dylib (357) <69547C64-E811-326F-BBED-490C6361BDCB> /usr/lib/libxar.1.dylib
    0x7fffcf363000 -     0x7fffcf452fff  libxml2.2.dylib (30.17) <D4C3E467-37C6-34DE-8A1B-E7BFC29985E9> /usr/lib/libxml2.2.dylib
    0x7fffcf453000 -     0x7fffcf47cfff  libxslt.1.dylib (15.9) <00735AD5-B62D-3E83-86AC-5533E4E2B102> /usr/lib/libxslt.1.dylib
    0x7fffcf47d000 -     0x7fffcf48eff3  libz.1.dylib (67) <46E3FFA2-4328-327A-8D34-A03E20BFFB8E> /usr/lib/libz.1.dylib
    0x7fffcf49d000 -     0x7fffcf4a1ff7  libcache.dylib (79) <093A4DAB-8385-3D47-A350-E20CB7CCF7BF> /usr/lib/system/libcache.dylib
    0x7fffcf4a2000 -     0x7fffcf4acfff  libcommonCrypto.dylib (60092.50.5) <8A64D1B0-C70E-385C-92F0-E669079FDA90> /usr/lib/system/libcommonCrypto.dylib
    0x7fffcf4ad000 -     0x7fffcf4b4fff  libcompiler_rt.dylib (62) <55D47421-772A-32AB-B529-1A46C2F43B4D> /usr/lib/system/libcompiler_rt.dylib
    0x7fffcf4b5000 -     0x7fffcf4bdfff  libcopyfile.dylib (138) <819BEA3C-DF11-3E3D-A1A1-5A51C5BF1961> /usr/lib/system/libcopyfile.dylib
    0x7fffcf4be000 -     0x7fffcf541fdf  libcorecrypto.dylib (442.50.19) <65D7165E-2E71-335D-A2D6-33F78E2DF0C1> /usr/lib/system/libcorecrypto.dylib
    0x7fffcf542000 -     0x7fffcf573fff  libdispatch.dylib (703.50.37) <6582BAD6-ED27-3B30-B620-90B1C5A4AE3C> /usr/lib/system/libdispatch.dylib
    0x7fffcf574000 -     0x7fffcf579ffb  libdyld.dylib (433.5) <9B2AC56D-107C-3541-A127-9094A751F2C9> /usr/lib/system/libdyld.dylib
    0x7fffcf57a000 -     0x7fffcf57affb  libkeymgr.dylib (28) <7AA011A9-DC21-3488-BF73-3B5B14D1FDD6> /usr/lib/system/libkeymgr.dylib
    0x7fffcf57b000 -     0x7fffcf587fff  libkxld.dylib (3789.70.16) <BD02EF3F-6E09-3A64-AB21-553D5B1D2859> /usr/lib/system/libkxld.dylib
    0x7fffcf588000 -     0x7fffcf588fff  liblaunch.dylib (972.70.1) <B856ABD2-896E-3DE0-B2C8-146A6AF8E2A7> /usr/lib/system/liblaunch.dylib
    0x7fffcf589000 -     0x7fffcf58eff3  libmacho.dylib (898) <17D5D855-F6C3-3B04-B680-E9BF02EF8AED> /usr/lib/system/libmacho.dylib
    0x7fffcf58f000 -     0x7fffcf591ff3  libquarantine.dylib (85.50.1) <12448CC2-378E-35F3-BE33-9DC395A5B970> /usr/lib/system/libquarantine.dylib
    0x7fffcf592000 -     0x7fffcf593ffb  libremovefile.dylib (45) <38D4CB9C-10CD-30D3-8B7B-A515EC75FE85> /usr/lib/system/libremovefile.dylib
    0x7fffcf594000 -     0x7fffcf5acff7  libsystem_asl.dylib (349.50.5) <096E4228-3B7C-30A6-8B13-EC909A64499A> /usr/lib/system/libsystem_asl.dylib
    0x7fffcf5ad000 -     0x7fffcf5adff7  libsystem_blocks.dylib (67) <10DC5404-73AB-35B3-A277-A8AFECB476EB> /usr/lib/system/libsystem_blocks.dylib
    0x7fffcf5ae000 -     0x7fffcf63bfef  libsystem_c.dylib (1158.50.2) <E5AE5244-7D0C-36AC-8BB6-C7AE7EA52A4B> /usr/lib/system/libsystem_c.dylib
    0x7fffcf63c000 -     0x7fffcf63fffb  libsystem_configuration.dylib (888.60.2) <BECC01A2-CA8D-31E6-BCDF-D452965FA976> /usr/lib/system/libsystem_configuration.dylib
    0x7fffcf640000 -     0x7fffcf643fff  libsystem_coreservices.dylib (41.4) <7D26DE79-B424-3450-85E1-F7FAB32714AB> /usr/lib/system/libsystem_coreservices.dylib
    0x7fffcf644000 -     0x7fffcf65cfff  libsystem_coretls.dylib (121.50.4) <EC6FCF07-DCFB-3A03-9CC9-6DD3709974C6> /usr/lib/system/libsystem_coretls.dylib
    0x7fffcf65d000 -     0x7fffcf663fff  libsystem_dnssd.dylib (765.50.9) <CC960215-0B1B-3822-A13A-3DDE96FA796F> /usr/lib/system/libsystem_dnssd.dylib
    0x7fffcf664000 -     0x7fffcf68dff7  libsystem_info.dylib (503.50.4) <611DB84C-BF70-3F92-8702-B9F28A900920> /usr/lib/system/libsystem_info.dylib
    0x7fffcf68e000 -     0x7fffcf6b0ff7  libsystem_kernel.dylib (3789.70.16) <34B1F16C-BC9C-3C5F-9045-0CAE91CB5914> /usr/lib/system/libsystem_kernel.dylib
    0x7fffcf6b1000 -     0x7fffcf6f8fe7  libsystem_m.dylib (3121.6) <86D499B5-BBDC-3D3B-8A4E-97AE8E6672A4> /usr/lib/system/libsystem_m.dylib
    0x7fffcf6f9000 -     0x7fffcf717ff7  libsystem_malloc.dylib (116.50.8) <A3D15F17-99A6-3367-8C7E-4280E8619C95> /usr/lib/system/libsystem_malloc.dylib
    0x7fffcf718000 -     0x7fffcf771ffb  libsystem_network.dylib (856.60.1) <369D0221-56CA-3C3E-9EDE-94B41CAE77B7> /usr/lib/system/libsystem_network.dylib
    0x7fffcf772000 -     0x7fffcf77bff3  libsystem_networkextension.dylib (563.60.2) <B021F2B3-8A75-3633-ABB0-FC012B8E9B0C> /usr/lib/system/libsystem_networkextension.dylib
    0x7fffcf77c000 -     0x7fffcf785ff3  libsystem_notify.dylib (165.20.1) <B8160190-A069-3B3A-BDF6-2AA408221FAE> /usr/lib/system/libsystem_notify.dylib
    0x7fffcf786000 -     0x7fffcf78efe7  libsystem_platform.dylib (126.50.8) <897462FD-B318-321B-A554-E61982630F7E> /usr/lib/system/libsystem_platform.dylib
    0x7fffcf78f000 -     0x7fffcf799ff7  libsystem_pthread.dylib (218.60.3) <B8FB5E20-3295-39E2-B5EB-B464D1D4B104> /usr/lib/system/libsystem_pthread.dylib
    0x7fffcf79a000 -     0x7fffcf79dff7  libsystem_sandbox.dylib (592.70.1) <4B92EC49-ACD0-36AE-B07A-A2B8152EAF9D> /usr/lib/system/libsystem_sandbox.dylib
    0x7fffcf79e000 -     0x7fffcf79fff3  libsystem_secinit.dylib (24.50.4) <F78B847B-3565-3E4B-98A6-F7AD40392E2D> /usr/lib/system/libsystem_secinit.dylib
    0x7fffcf7a0000 -     0x7fffcf7a7ffb  libsystem_symptoms.dylib (532.50.47) <3390E07C-C1CE-348F-ADBD-2C5440B45EAA> /usr/lib/system/libsystem_symptoms.dylib
    0x7fffcf7a8000 -     0x7fffcf7bbff7  libsystem_trace.dylib (518.70.1) <AC63A7FE-50D9-3A30-96E6-F6B7FF16E465> /usr/lib/system/libsystem_trace.dylib
    0x7fffcf7bc000 -     0x7fffcf7c1ffb  libunwind.dylib (35.3) <3D50D8A8-C460-334D-A519-2DA841102C6B> /usr/lib/system/libunwind.dylib
    0x7fffcf7c2000 -     0x7fffcf7ebff7  libxpc.dylib (972.70.1) <BF896DF0-D8E9-31A8-A4B3-01120BFEEE52> /usr/lib/system/libxpc.dylib

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 1
    thread_create: 0
    thread_set_state: 12
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 961
    thread_create: 0
    thread_set_state: 60

VM Region Summary:
ReadOnly portion of Libraries: Total=242.3M resident=0K(0%) swapped_out_or_unallocated=242.3M(100%)
Writable regions: Total=99.6M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=99.6M(100%)
 
                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
Activity Tracing                   256K        2 
Dispatch continuations            8192K        2 
Kernel Alloc Once                    8K        2 
MALLOC                            36.9M       16 
MALLOC guard page                   32K        7 
Memory Tag 242                      12K        2 
STACK GUARD                       56.0M        9 
Stack                             14.5M       12 
Stack Guard                         96K        4 
VM_ALLOCATE                       16.0M       22 
VM_ALLOCATE (reserved)            8260K        5         reserved VM address space (unallocated)
__DATA                            15.8M      200 
__LINKEDIT                       118.0M       18 
__TEXT                           124.4M      206 
__UNICODE                          556K        2 
mapped file                       52.9M       13 
shared memory                     16.3M       12 
===========                     =======  ======= 
TOTAL                            467.9M      517 
TOTAL, minus reserved VM space   459.8M      517 

Model: MacBookPro12,1, BootROM MBP121.0167.B33, 2 processors, Intel Core i5, 2.7 GHz, 16 GB, SMC 2.28f7
Graphics: Intel Iris Graphics 6100, Intel Iris Graphics 6100, Built-In
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1867 MHz, 0x02FE, 0x4544464232333241314D412D4A442D460000
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1867 MHz, 0x02FE, 0x4544464232333241314D412D4A442D460000
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x133), Broadcom BCM43xx 1.0 (7.21.171.130.1a1)
Bluetooth: Version 5.0.5f1, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
Serial ATA Device: APPLE SSD SM0256G, 251 GB
USB Device: USB 3.0 Bus
USB Device: Bluetooth USB Host Controller
Thunderbolt Bus: MacBook Pro, Apple Inc., 27.1

 

-----------------------------

We're hitting a sporadic access violation when using the Fiddler OM in our test automation. I have not been able to find anything indicating this is an issue with our code, but I'm still digging

Inside our internal event handler, the relevant code is:

    session["https-Client-Certificate"] = "FiddlerCert.cer"; <-- this has me wondering if it's possible for a corrupt or invalid cert to cause the below crash
    session.bBufferResponse = true;
    string requestBody = session.GetRequestBodyAsString(); <-- crash happens here

 

Unhandled Exception: System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

   at System.Text.UTF8Encoding.GetChars(Byte* bytes, Int32 byteCount, Char* chars, Int32 charCount, DecoderNLS baseDecoder)
   at System.String.CreateStringFromEncoding(Byte* bytes, Int32 byteLength, Encoding encoding)
   at System.Text.UTF8Encoding.GetString(Byte[] bytes, Int32 index, Int32 count)
   at System.Text.Encoding.GetString(Byte[] bytes)
   at Fiddler.Utilities.GetStringFromArrayRemovingBOM(Byte[] arrInput, Encoding oDefaultEncoding)
   at Fiddler.Session.GetRequestBodyAsString()
   at <INTERNAL NAMESPACE REMOVED>.FiddlerApplication_BeforeRequest(Session session)
   at Fiddler.SessionStateHandler.Invoke(Session oSession)
   at Fiddler.FiddlerApplication.DoBeforeRequest(Session oSession)
   at Fiddler.Session._executeObtainRequest()
   at Fiddler.Session.InnerExecute()
   at Fiddler.Session.Execute(Object objThreadState)
   at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()

 

Has anyone seen this before, or know of a fix or workaround? I'd like to think that even in the case of a corrupt/bad/missing certificate, an AV wouldn't happen, but without the Fiddler source, there's no great way for me to prove that (yes, I could disassemble, but I haven't yet).

When I drag the target next to "Any Process" onto a Chrome window, to capture traffic only from Chrome, no traffic is captured. But without specifically targeting Chrome the traffic from Chrome shows up in Fiddler. Same problem appears with Edge browser, but with IE it works as expected. I have no active filters or specific rules. Also tested it on multiple PCs and got the same results. Any ideas what's causing this?

I am trying to capture the traffic of any application installed on iOS 13.2.2 device using Fiddler

Exactly followed the instructions on https://docs.telerik.com/fiddler/Configure-Fiddler/Tasks/ConfigureForiOS , 
but I can not decrypt any HTTPS  traffic; I can only see the HTTP calls captured.