From: "Jay Daniels" <jay@xxxxxxxxxxx> > Probably MS Windows worms and virus trying to spread, but I would really > like to know what or who is trying to connect to my ports! tcpdump will tell you. Or if you want a nice display, use ethereal. > Would it be silly to scrap the hardware router/firewall in place of > iptables and connect the dsl line directly to my nic just like the old > days when that's all that we had available??? Your router is usually what converts dsl to ethernet. You need it anyway for that. An extra firewall won't hurt you. > > Note: I use this server as my primary workstation. I run X and have > even built a custom iptables script which passed all online (outside) > test. This was before I installed the hardware (firewall router > device). What kind of device connects to your dsl line? > > Other concerns: > 783/tcp open hp-alarm-mgr # WTF? > 6000/tcp open X11 # why is X running on port 6000? > are you using spamassassin? use: fuser -n <proto> <port> to determine which process is using which port > from the iana well-known ports list: x11 6000-6063/tcp X Window System x11 6000-6063/udp X Window System -- Shrike-list mailing list Shrike-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/shrike-list