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Port 111

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Jason
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PostPosted: Sun Jan 05, 2003 4:35 pm    Post subject: Port 111 Reply with quote

Hi,

Can someone please explain to me what the point of port 111 (portmap) is, and in which situations i need to run it? I am on a RH8 box, no GUI installed, only other port open is 22.

Cheers,

- J -
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ShaolinTiger
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PostPosted: Sun Jan 05, 2003 6:38 pm    Post subject: Reply with quote

It's Sun RPC IIRC.

I presume you know what RPC is? Same on Windows...

I always smile when I see 111 open as it's one of the most exploitable services around.
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Jason
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PostPosted: Sun Jan 05, 2003 7:18 pm    Post subject: Reply with quote

do i need it or not?

Any good links for me to read that you recommend?

- J -
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delete852
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PostPosted: Sun Jan 05, 2003 7:23 pm    Post subject: Reply with quote

can u tell some more stuff about RPC, it is rmote procedure call right? Allows you to do things on the network? Not sure about this?
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igir3dsk1
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PostPosted: Sun Jan 05, 2003 7:39 pm    Post subject: Reply with quote

If you are running a server:yes'
Quote:
The potmapper manages RPC connections,wich are used by protocols such as NFS and NIS.The portmap server must be running on machines which act as servers for protocols which make use of the RPC mechanism.


-r3dsk1-


Last edited by igir3dsk1 on Sun Jan 05, 2003 7:45 pm; edited 1 time in total
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ShaolinTiger
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PostPosted: Sun Jan 05, 2003 7:44 pm    Post subject: Reply with quote

jasonlambert wrote:
do i need it or not?

Not generally, definately not for the rest of the world to see (bound to net facing interface).

jasonlambert wrote:

Any good links for me to read that you recommend?


http://www.sans.org/resources/idfaq/blocking.php
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Jason
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PostPosted: Mon Jan 06, 2003 2:08 am    Post subject: Reply with quote

Cheers dude. Do you know if samba needs portmap running or not?

Can i switch it off with the chkconfig --del <service>, and if so, what is the service name?


also, i have a service listening on my loopback address, on port: 32768. done some googling, there was lots of stuff about GUI stuff, but i dont have a gui on my system. How do i close this port? I also turned off xfslock or something.

Cheers,

_J_
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igir3dsk1
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PostPosted: Mon Jan 06, 2003 2:13 am    Post subject: Reply with quote

Doesn't RH come with a Control Center that let you stop services running?

-r-
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Jason
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PostPosted: Mon Jan 06, 2003 2:21 am    Post subject: Reply with quote

igir3dsk1 wrote:
Doesn't RH come with a Control Center that let you stop services running?
-r-


There is a nice GUI thing in X, but i dont have X installed, and dont want to install webmin.
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delete852
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PostPosted: Wed Jan 08, 2003 3:12 am    Post subject: Reply with quote

I read that paper that shalion posted about port 111, and i have a few questions.
So what, it like keeps a record of all open ports?
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flw
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PostPosted: Wed Jan 08, 2003 3:55 am    Post subject: Reply with quote

Quote:
So what, it like keeps a record of all open ports?


Please reword your question.
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delete852
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PostPosted: Wed Jan 08, 2003 4:34 am    Post subject: Reply with quote

Does the daemon on port 111 just hold all the info about open services? If not then what does it do? Explain in a sentence or so, not a long description.
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flw
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PostPosted: Wed Jan 08, 2003 4:49 am    Post subject: Reply with quote

Quote:
Does the daemon on port 111 just hold all the info about open services? If not then what does it do? Explain in a sentence or so, not a long description


This is from http://octopus.cdut.edu.cn/~yf17/oe/puis/ch19_02.htm

Quote:
The fundamental building block of all network information systems is a mechanism for performing remote procedure calls. This mechanism, usually called RPC, allows a program running on one computer to more-or-less transparently execute a function that is actually running on another computer.


That's as short as I could find.
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delete852
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PostPosted: Wed Jan 08, 2003 5:08 am    Post subject: Reply with quote

So basically what I am getting out of this is kind of like rtools? like rlogin?
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flw
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PostPosted: Wed Jan 08, 2003 5:12 am    Post subject: Reply with quote

Quote:
So basically what I am getting out of this is kind of like rtools? like rlogin?


Did you read the url I put in the prevous post?
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mallinanga
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PostPosted: Sat Feb 22, 2003 5:24 pm    Post subject: Reply with quote

what if you are using an ftp and wewb server?
is the port 111 needed???

and something else i have also port 518 open...(ntalk)

what is this...do i need it?...i use this machine onlyfor fto/web server and maybe later samba....
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