Howdy,
I'm working on secureing my server, one thing I"m doing (of course) is
shuting down unneeded services. So I noticed these, among the standard ones
like FTP (which we need):
bismuth:~ # nmap -sT my_server's_IP
98 open tcp linuxconf
111 open tcp sunrpc
113 open tcp auth
515 open tcp printer
967 open tcp unknown
1024 open tcp unknown
I do not want any of those running, if they aren't needed.
bismuth:~ # grep "1024" /etc/services
# 1024/tcp Reserved
# 1024/udp Reserved
there's no entry in /etc/services for port 967 - what is it?
I'm especially interested in shutting down sunrpc - I hear nothing but bad
things about RPC, at least as far as security goes. We're not using NFS,
nor NIS, or anything else that needs it (at least, not that I know of. Is
it used for anything else?)
Also, what' "auth" exactly, and why does linuxconf run as a server? Does it
have to?
Thanks,
JW
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