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9 views

Run command on SSH server whenever a user connects, even if just for tunneling

I'd like to, as the administrator of an OpenBSD ssh jumphost used by multiple people, run a specific command any time any user connects via SSH, even if just for tunneling. Is this possible? I've ...
0
votes
1answer
223 views

pf not stopping bruteforce attempts

I am setting up an SFTP server for me and my friends and I am trying to stop brute force attempts. I have read many articles on how to get pf to stop brute force attacks and am not having any luck. ...
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0answers
128 views

OpenBSD not accessible through SSH without GPU

I'm new to BSD and installed OpenBSD 6.3 to a test server for education purposes. It's going to be a dedicated firewall eventually. During installation I used a graphics card to connect my monitor. ...
-2
votes
2answers
180 views

Console server under OpenBSD self-made

How do I configure a console server under OpenBSD. Want to access via ssh on the console server to access the serial port from everywhere in the world. Want to use only OpenBSD, so the console server ...
2
votes
2answers
773 views

Is it possible to upgrade OpenBSD over a network?

I have an OpenBSD 5.5 system that I once had physical access to and I was able to plug in a monitor to upgrade from 5.0 to 5.5. Now it is installed in a location away from my residence in a spot ...
3
votes
1answer
550 views

Where are SSH init scripts located?

I'm following the best security practices of SSH, via this link and the link states: We should remove the unused keys and only generate a large RSA key and an Ed25519 key. Your init scripts may ...
2
votes
1answer
4k views

Key-based authentication from PyCharm / JSCH to OpenBSD fails

I am trying to configure PyCharm (java-based IDE) to connect via sftp to a new OpenBSD 5.6 machine with an almost-default setup. However, it keeps returning an error "Algorithm negotiation fails". I ...
2
votes
1answer
2k views

How to “bond” sshd to only a given interface? [duplicate]

How can I limit sshd to only listen on given interface when using OpenBSD 5.3?
1
vote
1answer
2k views

How to log SSHD failed logins with usernames under OpenBSD 5.3?

Since DYNDNS became a payed service, I found a solution to dynamic IP address problem: OPENWRT router side (dynamic IP, this line is in the CRON): echo close | ssh LOCATION@SERVER -p 22 > /dev/...