Whats a safe way to allow people to telnet into a network past a firewall
from the Internet?
I have a client that if possible, needs to allow employees to dial up a
local ISP and telnet net into their internal network over the Internet.
We have a packet filtering router setup now, and have proposed adding a
proxy server in addition to the packet filter.
I have warned them that allowing any telnet sessions in would be a big
hole in the firewall, but they would like to pursue this further.
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