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| Subject: | Re: OpenSSH 4.3 Banner Masking |
|---|---|
| Date: | Wed, 27 Feb 2008 20:02:47 -0600 |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
my_bit_bucket@yahoo.com wrote: | Is there a way to mask the banner displayed by OpenSSH 4.3 connecting to the service by SSH? For example, my test system displays "SSH-2.0-OpenSSH_4.3" when I "telnet [hostname] 22".
The banner is required per the protocol (RFC 4253). To quote:
~ When the connection has been established, both sides MUST send an ~ identification string. This identification string MUST be
~ SSH-protoversion-softwareversion SP comments CR LF -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
iD8DBQFHxhZHhzLeabOflWcRAqMWAJ4hxSsU/U0s3vCvZ7QBjZ3JgSHYYwCfeF53 PTlNZGMlzmEYH6t3v2NAfs4= =MfCr -----END PGP SIGNATURE-----
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