[X2Go-Dev] X2Go Server tcp_wrapper banner bug

[Mihai Moldovan]

On 25.06.2015 08:51 PM, Real, Elizabeth (392K) wrote:
> So we found out that the tcp_wrapper banner on /etc/hosts.allow on the
> RHEL7.1 X2go server was breaking the x2go client connection. Kept getting
> the ŒProtocol Mismatch¹ error on the client. Once we modified the
> /etc/hosts.allow file:
> FROM
> sshd: 137.78. 137.79. 137.228. 128.149. 127.0.0.1 : banners /etc/banners
> 
> TO
> sshd: 137.78. 137.79. 137.228. 128.149. 127.0.0.1
> 
> 
> The x2go client was able to connect to the server.
> 
> This seems to be a bug in X2go.

Oh, very likely... well, not a bug in X2Go, but libssh.

What is the content of your /etc/banners file?

I'll need to look into what the tcp_wrapper banner actually does (i.e., when
exactly it's being printed.)



Mihai

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