run 2 different sshd with different configs

nekoexmachina

nekoexmachina

Hello!
The thing I want to achieve is easy and secure access to my desktop from anywhere.
On my router I have rules to allow access from frequent-attended places with fixed external IPs to my default ssh with password-authorization.
But also I want to have second access point from anywhere with passphrased rsa-key.
How do I achieve that?

The variant I have now is keyed ssh-access to the router from which I go to the desk station: and I dont like it :)
 
You only need to run a single sshd, with a single config file. Read the sshd_config(4) man page for the Match keyword. You can configure Match blocks to do what you want.

Or, just enabled password-based and key-based logins (which is the default) and leave it at that.
 
More precise: you can run as many sshd sessions with different configurations as you want, but not all on the same port ;) I'm running two sshd sessions, one for my access on port 22, and one for rsnapshot with its own settings/keys on port 65522. The latter runs as:

Code: 
/usr/sbin/sshd -f /etc/ssh/sshd_config_rsnapshot

and is started separately from /etc/rc.local.
 
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