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Author
Topic: Hey, Linux nerds!
Karnaj
Road Warrior Queef
posted 09-24-2005 01:03:22 PM
So I've installed debian 3.1 r0a on my laptop and old desktop. I only want a single port open on each machine, namely 22 for ssh. On the laptop, I've managed just that. Portscanning it every which way yields the same result: 22 is the only open port. Terrific.

The desktop machine is giving me more grief, however. I've closed all ports except 22 and 839. I have no idea what service runs on port 839(TCP, BTW), and neither does nmap or netstat. Does anyone know what this is, or where I can find out what service runs on port 839?

That's the American Dream: to make your life into something you can sell. - Chuck Palahniuk, Haunted

Under capitalism, man exploits man. Under communism, it's just the opposite. - John Kenneth Galbraith



Beer.

Random Insanity Generator
Condom Ninja El Supremo
posted 09-24-2005 03:24:33 PM
mountd does, which is usually associated with NFS
* NullDevice kicks the server. "Floggings will continue until processing power improves!"
-----------------------------------
"That was black magic, and it was easy to use. Easy and fun. Like Legos." -- Harry Dresden
-----------------------------------
That's what playing Ragnarok Online taught me: There's no problem in the universe that can't be resolved by the proper application of daggers to faces.
Derek
Pancake
posted 09-24-2005 03:31:16 PM
You could try going through your iptables rules with "iptables -L INPUT -n" and delete any that specifically open port 839 or you could try Guarddog.

EDIT: What output do you get when you type the command above?

Derek fucked around with this message on 09-24-2005 at 05:08 PM.

Karnaj
Road Warrior Queef
posted 09-24-2005 05:51:56 PM
Curiouser and courvasier!

It seems that whatever the service is, it's listening on localhost only. Portscanning from another machine doesn't mark it as open; 22 is the only open port. I think I can consider the issue resolved.

That's the American Dream: to make your life into something you can sell. - Chuck Palahniuk, Haunted

Under capitalism, man exploits man. Under communism, it's just the opposite. - John Kenneth Galbraith



Beer.

Random Insanity Generator
Condom Ninja El Supremo
posted 09-24-2005 06:36:54 PM
Yeah, 127.0.0.1 != external interface.

Again, my default assumption is that you have mountd running (most common thing it might be) and it's bound to lo only.

* NullDevice kicks the server. "Floggings will continue until processing power improves!"
-----------------------------------
"That was black magic, and it was easy to use. Easy and fun. Like Legos." -- Harry Dresden
-----------------------------------
That's what playing Ragnarok Online taught me: There's no problem in the universe that can't be resolved by the proper application of daggers to faces.
Karnaj
Road Warrior Queef
posted 09-24-2005 06:46:33 PM
I piped netstat to grep and figured out that it was famd. So, no biggie. If I somehow removed it from my laptop with no harm done, I'll double check this one and remove it.
That's the American Dream: to make your life into something you can sell. - Chuck Palahniuk, Haunted

Under capitalism, man exploits man. Under communism, it's just the opposite. - John Kenneth Galbraith



Beer.

Alidane
Urinary Tract Infection
posted 09-24-2005 06:53:24 PM
quote:
Karnaj stumbled drunkenly to the keyboard and typed:
I piped netstat to grep and figured out that it was famd. So, no biggie. If I somehow removed it from my laptop with no harm done, I'll double check this one and remove it.

Yea, more NFS stuff as RIG is saying. Unless you know you want it, getting rid of it probably won't destroy anything.

Karnaj
Road Warrior Queef
posted 09-24-2005 07:37:22 PM
quote:
Alidane put down Tada! magazine long enough to type:
Yea, more NFS stuff as RIG is saying. Unless you know you want it, getting rid of it probably won't destroy anything.

Apparently, Gnome also depends on FAM for some reason. I see why it never raised it stink on my laptop; I did a base install, then installed the X server and KDE as disparate components. Gnome never got installed, so it never bitched at me for removing it. I have a larger hard drive on my desktop, however, so I just checked the Desktop Environment when I installed the OS. Oh well, I'll just break the symlinks and remove the startup script.

Problem solved, thanks for the input, everyone.

That's the American Dream: to make your life into something you can sell. - Chuck Palahniuk, Haunted

Under capitalism, man exploits man. Under communism, it's just the opposite. - John Kenneth Galbraith



Beer.

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