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JulioDeLeon / CSE-545-Team-13-Central

Repo for CTF related things
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Spike: Investigate important ports #16

Open Pactopolis opened 1 year ago

Pactopolis commented 1 year ago

We should compile a list of ports that should not be denied. This should be a list of ports that when closes may be detrimental to the OS, or our ability to perform are tasks during CTF.

Pactopolis commented 1 year ago

21: FTP Server 22: SSH Server (remote login) 25: SMTP (mail server) 53: Domain Name System (Bind 9 server) 80: World Wide Web (HTTPD server) 110: POP3 mail server 143: IMAP mail server 443: HTTP over Transport Layer Security/Secure Sockets Layer (HTTPDS server)

Pactopolis commented 1 year ago

https://linuxconfig.org/how-to-deny-all-incoming-ports-except-ssh-port-22-on-ubuntu-18-04-bionic-beaver-linux