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sshdump.exe no match for method kex algos error

asked 2020-12-07 02:29:02 +0000

zizi gravatar image

I use wireshark windows Version 3.4.0 with sshdump. But when I try to capture my remote Linux server, sshdump have below error, seems sshdump is too old are not support some DH key exchange algos?

Error by extcap pipe: * (sshdump.exe:4708): WARNING *: Error creating connection.

* (sshdump.exe:4708): WARNING : Connection error: kex error : no match for method kex algos: *server [curve25519-sha256,[email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256], client [diffie-hellman-group14-sha1,diffie-hellman-group1-sha1]

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Can you add the output of "Program Files\Wireshark\extcap\sshdump.exe" --version

Chuckc gravatar imageChuckc ( 2020-12-07 02:42:58 +0000 )edit

Thanks! oh... I got error about libwsutil.dll, libssh.dll, glib-2.dll....Already reinstall wireshark, do you know how to fix this? "The code execution cannot proceed because libwsutil.dll was not found. Reinstalling the program may fix this problem. "

zizi gravatar imagezizi ( 2020-12-07 02:51:34 +0000 )edit

Try running it from the Wireshark directory:

cd "Program Files\Wireshark"
extcap\sshdump.exe --version
Chuckc gravatar imageChuckc ( 2020-12-07 02:59:50 +0000 )edit

C:\Program Files\Wireshark>extcap\sshdump.exe --version sshdump.exe version 1.0.0 Compiled with libssh version 0.7.3 Running with libssh version 0.7.3/gnutls/zlib

zizi gravatar imagezizi ( 2020-12-07 03:01:19 +0000 )edit

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answered 2020-12-07 03:41:27 +0000

Chuckc gravatar image

updated 2020-12-07 03:44:44 +0000

Newer versions of libssh support the kex needed for your server.
There is an open issue (Some Windows packages need updating) for Windows.
The macos version was recently updated

Can you open a new issue on the Gitlab issues for Wireshark that references sshdump on Windows.

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zizi gravatar imagezizi ( 2020-12-07 03:57:22 +0000 )edit

Test version of 3.5.0 with new libssh available from link in the Gitlab issue discussion.

Chuckc gravatar imageChuckc ( 2020-12-09 03:39:16 +0000 )edit

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Asked: 2020-12-07 02:29:02 +0000

Seen: 844 times

Last updated: Dec 07 '20