[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [FW-1] Multi-layered Firewall - Question
Can you ping to the Internet from your internal fw? Do you have NAT setup correctly to cover your workstation? -raymond At 10:09 PM 7/31/03 -0700, you wrote: >Topology: > >Edge FW: > - ext IP: x.x.x.x > - int IP: 192.168.0.1 > >Internal FW: > - ext IP: 192.168.0.4 > - int IP: 192.168.1.1 > >Client IP behind internal FW: 192.168.1.2 > >************************************************** > >"Ping", "tracert", and "nslookup" work fine from the internal firewall > > >"nslookup" works fine from internal clients. I am using edge firewall's >internal interface as DNS server for clients behind internal firewall. > >"ping" works fine to internal interface of edge FW and to external interface >of internal FW. > > >I can't ping internet (network outside the edge FW) from internal >client.....see sniffer trace > > a.. trace on external interface of internal FW: > > #ping www.domain.com > 192.168.0.4.55741 -> 192.168.0.1.53: > 192.168.0.1.53 -> 192.168.0.4.55741 > arp who-has 192.168.0.1 tell 192.168.0.4 > arp reply 192.168.0.1 is-at 0:30:ab:c:a9:30 > > b.. trace on internal interface of internal FW > #ping www.domain.com > arp who-has 192.168.1.1 tell 192.168.1.2 > arp reply 192.168.1.1 is-at 0:9:f:2:b:32 > 192.168.1.2.4751 -> 192.168.0.1.53: udp > 192.168.0.1.53 -> 192.168.1.2.4751: udp > 192.168.1.2 -> 64.14.95.170: icmp: echo request > 192.168.1.2 -> 64.14.95.170: icmp: echo request > arp who-has 192.168.1.2 tell 192.168.1.1 > arp reply 192.168.1.2 is-at 0:80:c8:c1:1:a5 > > Any suggestiouns??? > > Thanks > > > > > > >================================================= >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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