[WBEL-users] re:iptables port 50 and 51
Johnny Hughes
mailing-lists@hughesjr.com
Thu, 29 Jul 2004 06:29:39 -0500
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On Thu, 2004-07-29 at 06:07, Eric Hancock wrote:
> I did not know that pop mail required an open port on
> the client machine. I have these blocked on my current
> setup, so I don't think it will hurt to continue to
> block them.
>
> Eric
>
>
Pop3 doesn't require port 50 open...
> --- jafar <jafar00@wanadoo.fr> wrote:
>
> > I've found http://isc.sans.org/ to be an excellent
> > page for looking up
> > what certain ports are and if there are any
> > potential exploits on them.
> > Use the little box on the left hand side, type the
> > port number and press
> > the details button. Once you find out which service
> > is attached to which
> > port, you can then Google for more detailed info as
> > you require it :)
> >
> > Port 50 is Remote Mail Checking Protocol
> > Killing this may stop you checking if you have new
> > mail on your
> > provider's POP server.
> >
> > Port 51 is IMP Logical Address Maintenance
> > I don't really know what that does sorry.
> > I hope someone else can enlighten us ;)
> >
> > --
> > Jafar Calley
> > -----BEGIN GEEK CODE BLOCK-----
> > d+ s-:+ a C++++ L++ E--- W++ N++ w-- PE- t* 5++ R+
> > !tv D+ G e* h---- x?
> > ------END GEEK CODE BLOCK------
> > Registered Linux User #359623
> > http://fatcatftp.homelinux.org
> >
> >
> > _______________________________________________
> > Whitebox-users mailing list
> > Whitebox-users@beau.org
> > http://beau.org/mailman/listinfo/whitebox-users
> >
>
> =====
> --------------------------------------------------------------
> Eric Hancock
>
> ========alt. emails========
> hancock@freenet.tlh.fl.us fefe@syrup-pirates.com
> kg4cjv@comcast.net erichancock@yahoo.com
> --------------------------------------------------------------
>
> __________________________________________________
> Do You Yahoo!?
> Tired of spam? Yahoo! Mail has the best spam protection around
> http://mail.yahoo.com
> _______________________________________________
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> Whitebox-users@beau.org
> http://beau.org/mailman/listinfo/whitebox-users
Johnny Hughes
HughesJR.com
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On Thu, 2004-07-29 at 06:07, Eric Hancock wrote:
<BLOCKQUOTE TYPE=CITE>
<PRE><FONT COLOR="#737373"><I>I did not know that pop mail required an open port on
the client machine. I have these blocked on my current
setup, so I don't think it will hurt to continue to
block them.
Eric
</I></FONT></PRE>
</BLOCKQUOTE>
Pop3 doesn't require port 50 open...
<BLOCKQUOTE TYPE=CITE>
<PRE><FONT COLOR="#737373"><I>--- jafar <jafar00@wanadoo.fr> wrote:
> I've found </FONT><A HREF="http://isc.sans.org/"><U>http://isc.sans.org/</U></A><FONT COLOR="#737373"> to be an excellent
> page for looking up
> what certain ports are and if there are any
> potential exploits on them.
> Use the little box on the left hand side, type the
> port number and press
> the details button. Once you find out which service
> is attached to which
> port, you can then Google for more detailed info as
> you require it :)
>
> Port 50 is Remote Mail Checking Protocol
> Killing this may stop you checking if you have new
> mail on your
> provider's POP server.
>
> Port 51 is IMP Logical Address Maintenance
> I don't really know what that does sorry.
> I hope someone else can enlighten us ;)
>
> --
> Jafar Calley
> -----BEGIN GEEK CODE BLOCK-----
> d+ s-:+ a C++++ L++ E--- W++ N++ w-- PE- t* 5++ R+
> !tv D+ G e* h---- x?
> ------END GEEK CODE BLOCK------
> Registered Linux User #359623
> </FONT><A HREF="http://fatcatftp.homelinux.org"><U>http://fatcatftp.homelinux.org</U></A>
<FONT COLOR="#737373">>
>
> _______________________________________________
> Whitebox-users mailing list
> Whitebox-users@beau.org
> </FONT><A HREF="http://beau.org/mailman/listinfo/whitebox-users"><U>http://beau.org/mailman/listinfo/whitebox-users</U></A>
<FONT COLOR="#737373">>
=====
--------------------------------------------------------------
Eric Hancock
========alt. emails========
hancock@freenet.tlh.fl.us fefe@syrup-pirates.com
kg4cjv@comcast.net erichancock@yahoo.com
--------------------------------------------------------------
__________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around </FONT>
<A HREF="http://mail.yahoo.com"><U>http://mail.yahoo.com</U></A>
<FONT COLOR="#737373">_______________________________________________
Whitebox-users mailing list
Whitebox-users@beau.org</FONT>
<A HREF="http://beau.org/mailman/listinfo/whitebox-users"><U>http://beau.org/mailman/listinfo/whitebox-users</U></I></A></PRE>
</BLOCKQUOTE>
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Johnny Hughes<BR>
<A HREF="http://www.hughesjr.com"><U>HughesJR.com</U></A>
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