Security after establishing VPN
Ryan Russell
ryan at SECURITYFOCUS.COM
Tue May 16 13:38:56 EDT 2000
Yes, sorry... just follow up with a deny rule.
Ryan
On Tue, 16 May 2000, Michael Louie wrote:
> Ryan,
>
> Please correct me if I'm wrong, but wouldn't this rule only force encrytion of
> pop3 data to the mailserver? -Perhaps I am not being clear in my question. I
> would like to implement a remote access solution. [For example] if I would like
> to restrict access to only pop3 to the mailserver, and not allow users to
> telnet, ftp, etc anywhere else. Is this possible?
>
>
> Thanks again,
> Mike
>
> On Tue, 16 May 2000, Ryan Russell wrote:
>
> > Assuming you're encryption settings are in place:
> >
> > Source Dest Service Action Log Comment
> > not localnet mailserver pop3 client-encrypt long
> >
> > At least, that's what I can recall... I don't run a FW-1 anymore.
> > (Change of jobs... not FW-1's fault :) )
> >
> > Ryan
> >
> >
> > On Tue, 16 May 2000, Michael Louie wrote:
> >
> > > Only allowing the use of port 110 to an internal mailserver was only an
> > > example. How would I define this rule?
> > >
> > >
> > > Thanks,
> > > Mike
> > >
> > > On Tue, 16 May 2000, Ryan Russell wrote:
> > >
> > > > The question isn't clear... are you asking if you can VPN to only port
> > > > 110? Yes. You can add a client-encrypt rule to only allow in to port
> > > > 110. This is for SecuRemote connections, mind you.. though I think the
> > > > same applies to FW-to-FW rules.
> > > >
> > > > Ryan
> > > >
> > > > On Mon, 15 May 2000, Michael Louie wrote:
> > > >
> > > > > Does Checkpoint version 4 and later have any built in security for restricting
> > > > > access after a VPN connection is established (port 110 to the mailserver only
> > > > > for example)? -or am I pretty much forced to purchase an additional firewall?
> > > > >
> > > >
> > > >
> > > >
> > >
> >
> >
>
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