On Thu, Aug 24, 2000 at 02:40:46PM -0700, Nate Amsden wrote: > > huh, my protscan shows this: > > > > Interesting ports on Blackbird (127.0.0.1): [a lotta interesting ports] > > first of all, what are these "unknown" entries about? these ports are > > not listed in /etc/services. > > What i do is run the command "lsof | grep 757" to see what process is on > that port. i believe that is a NFS/rpc service though. Blackbird:~# lsof | grep 757 rpc.statd 154 root 1u IPv4 92 TCP *:757 (LISTEN)
bingo. > > and then, I use my machine as a gateway to the Internet, so is this > > ipchains-chain alright or do I need more firewalling? > > ipchains -A input -p tcp -i ippp0 -y -l -j DENY > > > > ippp0 is my ISDN-device. > > that looks as if it would probably work.(im not an ipchains expert) I > would suggest scanning your ppp IP with nmap to see what is accessable > to the outside world. Darkstar:~# nmap 62.244.87.10 Starting nmap V. 2.12 by Fyodor ([EMAIL PROTECTED], www.insecure.org/nmap/) Nmap run completed -- 1 IP address (0 hosts up) scanned in 0 seconds OK. I am relieved. A remote portscan from grc.com didn't show up anything eighter. Thanks a lot, I can go to bed now without worries... Michael
