Re: Connecting to different services with source port 53

From: David Cravshaw (david.cravshaw@gmail.com)
Date: Thu Jun 23 2005 - 12:07:40 EDT


I've used FPipe before and it works great. This is exactly what it
was written for (or so says a Foundstone guy I once chatted with...)

Have fun with that box!

On 6/23/05, Jacob Weeks <jaweeks@gmail.com> wrote:
> just a quick search in google for "telnet source port", came up with
> some results.. one being
> http://www.foundstone.com/index.htm?subnav=resources/navigation.htm&subcontent=/resources/proddesc/fpipe.htm
>
> havn't tried it, so i can't say for sure it'll work. But that has potential.
>
> Hope that helps.
>
> On 6/23/05, Christian Perst <chris_perst@gmx.de> wrote:
> > Hi list,
> >
> > I'm pen-testing a system and with a normal "nmap -sS" I get no
> > response. If I change the source port I could get through to
> > the system, as you can see.
> >
> > 21/tcp open ftp
> > 80/tcp open http
> > 88/tcp open kerberos-sec
> > 135/tcp open msrpc
> > 389/tcp open ldap
> > 443/tcp open https
> > 464/tcp open kpasswd5
> > 593/tcp open http-rpc-epmap
> > 636/tcp open ldapssl
> > 1026/tcp open LSA-or-nterm
> > 1029/tcp open ms-lsa
> > 1033/tcp open netinfo
> > 1720/tcp open H.323/Q.931
> > 1723/tcp open pptp
> > 3268/tcp open globalcatLDAP
> > 3269/tcp open globalcatLDAPssl
> > 3372/tcp open msdtc
> > 3389/tcp open ms-term-serv
> > 6101/tcp open VeritasBackupExec
> > 6106/tcp open isdninfo
> > 8080/tcp filtered http-proxy
> > 10000/tcp open snet-sensor-mgmt
> >
> > Is there a way, how I can establish a connection using source
> > port 53?
> >
> > Thanks,
> > Chris
> >
>



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