I was looking at this port-knocking for security and it got me thinking about leaving a perlscript listening on an open port.

The article states

"The "standard" method of running the SSH server on port 22 is notoriously inadequate. OpenSSH, which is the SSH server on the majority of Linux installations, suffers from regular exploits of buffer overflow and other vulnerabilities, and you neither have the time to keep up with the patches nor want to make the effort -- you'd rather put up with not being able to access your files."

So I like using Net::EasyTCP which has a port password , and encrypted transfers, and I'm wondering how safe these type of perl scripts are? I know one of Perl's claims is "immunity from buffer-overflow-exploits", but are perl scripts really that safe from this type of attack?

I realize you can't stop a "denial of service" attack against the port, and the perl script could be written is a poor manner, which allows hackers to grab a shell. But other than that, is Perl more secure than SSH, while it's just sitting on a port listening?

I'm not really a human, but I play one on earth. flash japh

In reply to Perl and TCP port security by zentara

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