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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [FW-1] weird email attachment problem!!
checked both! I have the rule and DNS is fine. I don't know if did mention this earlier but, receiving is not a problem, only sending is. sending without attachment is not a problem, with attachment is. Sending from *.3 subnet is not a problem, but sending from *.2 is. *.2 has 95% Mac's and 5 % pc's. all of them have same problem. latest update: I by passed the firewall and it appears to work fine!!!. Is it too much data to handle for the firewall?? but then why does it act partially towards *.2 subnet only. copying files also seems to be a lil slower. I have taken the captures but don't know a lot about how to interpret them using ethereal--any hints?? thanks, PKM -----Original Message----- From: Don [mailto:[email protected]] Sent: Thursday, June 13, 2002 12:30 PM To: [email protected] Subject: Re: [FW-1] weird email attachment problem!! > I have a simple scenario where two subnets are connected through fw-1(4.1 > sp5 on IP440 3.4.1). > > 192.168.2.0/24 and 192.168.3.0/24 are connected on the same interface of the > firewall with 192.168.2.1 and 192.168.3.1 as their default gateways on the > firewall(multiple addresses in the interface of the firewall)respectively. > > the mail servers are located on 192.168.3.0/24 subnet. > > from last couple of days, any mails with attachments originating from .2 > subnet is either very very slow or times out. > > they can receive just fine but cannot send. > > both these subnets are natted to same legal ip. i do have nat rules to not > nat any traffic between the two subnets. i.e., > > subnet .2 --> subnet .3 any orig orig orig > and vice versa. > > subnet 3 is working perfectly fine. Usually slow mail problems are a result of identd timeouts. One of the first rules in your rulesbase should be: any any ident REJECT The reject is critical. A drop will cause timeout problems. If this does not fix your problem, then the next choice is DNS problems. Make sure your systems are using the right DNS servers and that those servers are up and operational. -Don ================================================= To set vacation, Out Of Office, or away messages, send an email to [email protected] in the BODY of the email add: set fw-1-mailinglist nomail ================================================= To unsubscribe from this mailing list, please see the instructions at http://www.checkpoint.com/services/mailing.html ================================================= If you have any questions on how to change your subscription options, email [email protected] ================================================= ================================================= To set vacation, Out Of Office, or away messages, send an email to [email protected] in the BODY of the email add: set fw-1-mailinglist nomail ================================================= To unsubscribe from this mailing list, please see the instructions at http://www.checkpoint.com/services/mailing.html ================================================= If you have any questions on how to change your subscription options, email [email protected] =================================================
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