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Updated notes on OpenSSH default key exchanges. (#258)

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Joe Testa
2024-03-19 18:24:22 -04:00
parent 3d403b1d70
commit d7f8bf3e6d
11 changed files with 24 additions and 23 deletions
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test/docker/expected_results/openssh_8.0p1_test3.txt
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@ -12,9 +12,9 @@
# key exchange algorithms
(kex) curve25519-sha256 -- [info] available since OpenSSH 7.4, Dropbear SSH 2018.76
 `- [info] default key exchange from OpenSSH 6.4 to 8.9
 `- [info] default key exchange from OpenSSH 7.4 to 8.9
(kex) curve25519-sha256@libssh.org -- [info] available since OpenSSH 6.4, Dropbear SSH 2013.62
 `- [info] default key exchange from OpenSSH 6.4 to 8.9
 `- [info] default key exchange from OpenSSH 6.5 to 7.3
(kex) diffie-hellman-group-exchange-sha256 (4096-bit) -- [info] available since OpenSSH 4.4
 `- [info] OpenSSH's GEX fallback mechanism was triggered during testing. Very old SSH clients will still be able to create connections using a 2048-bit modulus, though modern clients will use 4096. This can only be disabled by recompiling the code (see https://github.com/openssh/openssh-portable/blob/V_9_4/dh.c#L477).