Also a silly question - routing is correct on target hosts...? Seen this before where a ping works fine, but can't telnet...
-----Original Message----- From: Steve Leach [mailto:[EMAIL PROTECTED]] Sent: 24 July 2002 14:32 To: [EMAIL PROTECTED] Subject: Re: [gb-users] GB 1000, 3.2.5 and double-nat Errmmm - sorry - that was me not reading the full text....hmmmm.... Best Regards, Steve Leach Network Manager MI International Limited Eaglescliffe Logistics Centre Durham Lane Egglescliffe URL: http://www.askalix.com TEL: 01642 356205 e-mail: [EMAIL PROTECTED] ----- Original Message ----- From: "Steve Leach" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, July 24, 2002 2:29 PM Subject: Re: [gb-users] GB 1000, 3.2.5 and double-nat > If I knew no better I would say it sounds like there was no alias or inbound > tunnel for the external subnet you are trying to connect to....these are > definitely ok - yes? > > > Best Regards, > > Steve Leach > Network Manager > MI International Limited > Eaglescliffe Logistics Centre > Durham Lane > Egglescliffe > URL: http://www.askalix.com > TEL: 01642 356205 > e-mail: [EMAIL PROTECTED] > > > ----- Original Message ----- > From: "denon" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Wednesday, July 24, 2002 9:54 AM > Subject: [gb-users] GB 1000, 3.2.5 and double-nat > > > > We recently updated a GB 3.2.5 and made a few changes to it's > > filters/etc. After doing so, users on a natted internal subnet can no > > longer hit external subnets via tcp which are on the GB (being passed > > through with IP Passthrough). This worked fine before the upgrade. > > > > Basically, what's happening, is the traffic should be going like so: > > > > Workstation-Internal Subnet -> Gnatbox (NAT) -> > > Same GB (IP Pass (external IP)) -> > > Server-External Subnet > > > > It makes the request, seemingly making the tcp connection, but then > > hangs. ICMP and UDP work fine. > > > > An example, if I telnet to port 25 on one of the external subnet mail > > servers, it will open the telnet window and hang. I pass it a couple > > carriage returns, and nothing happens. No banner - nothing. It will > > eventually say the connection was lost to the host. > > > > The logs, surprisingly, don't seem to be showing anything but a standard > > connection opening and closing. No errors that I see. > > > > Anyone else having stuff like this? I've tried adding "ACCEPT ANY ALL > from > > ANY to ANY" filters to the top of all the lists. (outbound, remote > access, > > IP Passthrough Filters, etc) to no avail. > > > > Suggestions? Bug Report? :) > > > > > > Thanks. > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > To subscribe to the digest version first unsubscribe, then > > e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > Archive of the last 1000 messages: > > http://www.mail-archive.com/[email protected] > > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] To subscribe to the digest version first unsubscribe, then e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] Archive of the last 1000 messages: http://www.mail-archive.com/[email protected] This e-mail and its attachments are intended for the above named recipient(s) only and may be confidential, legally privileged and protected by law. If you are not a named addressee or have received this transmission in error, please notify us immediately at [EMAIL PROTECTED] and then delete this e-mail. As Internet communications are not secure we do not accept legal responsibility for the contents of this message or responsibility for any change made to this message after the original sender sent it. Save for this legal notice, the contents or opinions contained within this e-mail are solely those of the sender and do not necessarily represent those of Two Way TV Ltd unless otherwise specifically stated.
