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32 votes
3 answers
89k views

How to detect if a network is blocking outgoing ports?

How do I confirm if my network is blocking outgoing ports? I'm having issues accessing services on servers running on ports other than port 80 and 443. For example, I cannot ssh into any of my ...
Michael Altfield's user avatar
3 votes
1 answer
7k views

How do I block every connection except vpn and ssh without endangering the state of my vps?

I have some vps space but I get alot of scans based on what I see in iftop. I tried some iptables stuff but it gets tiring and useless to put all the ips that I see in the logs. I am wondering about ...
yarun can's user avatar
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