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  • #2238183

    PIX 501 config for Win2k RRAS VPN, FTP, Exchange

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    by hq ·

    I may not have the terminology correct, but what I’m trying to accomplish is to allow employees to work from home, using VPN to connect to office network. VPN is hosted on Win2K RRAS, which was working fine with port forwarding (1723) on Linksys DSL router (the PIX is replacing the Linksys router). We have one, static public IP address.

    We also have and Exchange server and an FTP server. The FTP server and the VPN server run on the same Win2K box.

    I test the PIX and got outgoing Internet access, but testing inbound VPN connectivity from off-site failed.

    Here’s the current PIX config:

    PIX Version 6.3(5)
    interface ethernet0 auto
    interface ethernet1 100full
    nameif ethernet0 outside security0
    nameif ethernet1 inside security100
    enable password xxxxx encrypted
    passwd xxxxx encrypted
    hostname pixfirewall
    fixup protocol dns maximum-length 512
    fixup protocol ftp 21
    fixup protocol h323 h225 1720
    fixup protocol h323 ras 1718-1719
    fixup protocol http 80
    fixup protocol pptp 1723
    fixup protocol rsh 514
    fixup protocol rtsp 554
    fixup protocol sip 5060
    fixup protocol sip udp 5060
    fixup protocol skinny 2000
    fixup protocol smtp 25
    fixup protocol sqlnet 1521
    fixup protocol tftp 69
    names
    access-list INBOUND permit tcp host 192.168.0.203 host 6x.xxx.xxx.150 eq smtp
    access-list INBOUND permit tcp host 192.168.0.203 host 6x.xxx.xxx.150 eq imap4
    access-list INBOUND permit tcp host 192.168.0.203 host 6x.xxx.xxx.150 eq www
    access-list INBOUND permit tcp host 192.168.0.22 host 6x.xxx.xxx.150 eq ftp
    access-list INBOUND permit tcp host 192.168.0.22 host 6x.xxx.xxx.150 eq pptp
    access-list INBOUND permit tcp host 192.168.0.22 host 6x.xxx.xxx.150 range 50000
    50004
    access-list INBOUND deny ip any any
    pager lines 24
    mtu outside 1500
    mtu inside 1500
    ip address outside 6x.xxx.xxx.150 255.255.255.0
    ip address inside 192.168.0.1 255.255.255.0
    ip audit info action alarm
    ip audit attack action alarm
    pdm logging informational 100
    pdm history enable
    arp timeout 14400
    global (outside) 1 interface
    nat (inside) 1 0.0.0.0 0.0.0.0 0 0
    static (inside,outside) tcp interface smtp 192.168.0.203 smtp netmask 255.255.255.255 0 0
    static (inside,outside) tcp interface imap4 192.168.0.203 imap4 netmask 255.255.255.255 0 0
    static (inside,outside) tcp interface www 192.168.0.203 www netmask 255.255.255.255 0 0
    static (inside,outside) tcp interface ftp 192.168.0.22 ftp netmask 255.255.255.255 0 0
    static (inside,outside) tcp interface pptp 192.168.0.22 pptp netmask 255.255.255.255 0 0
    static (inside,outside) tcp interface 50000 192.168.0.22 50000 netmask 255.255.255.255 0 0
    static (inside,outside) tcp interface 50001 192.168.0.22 50001 netmask 255.255.255.255 0 0
    static (inside,outside) tcp interface 50002 192.168.0.22 50002 netmask 255.255.255.255 0 0
    static (inside,outside) tcp interface 50003 192.168.0.22 50003 netmask 255.255.255.255 0 0
    static (inside,outside) tcp interface 50004 192.168.0.22 50004 netmask 255.255.255.255 0 0
    access-group INBOUND in interface outside
    route outside 0.0.0.0 0.0.0.0 6x.xxx.xxx.1 1
    timeout xlate 0:05:00
    timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225 1:00:00
    timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
    timeout sip-disconnect 0:02:00 sip-invite 0:03:00
    timeout uauth 0:05:00 absolute
    aaa-server TACACS+ protocol tacacs+
    aaa-server TACACS+ max-failed-attempts 3
    aaa-server TACACS+ deadtime 10
    aaa-server RADIUS protocol radius
    aaa-server RADIUS max-failed-attempts 3
    aaa-server RADIUS deadtime 10
    aaa-server LOCAL protocol local
    http server enable
    http 192.168.1.0 255.255.255.0 inside
    no snmp-server location
    no snmp-server contact
    snmp-server community public
    no snmp-server enable traps
    floodguard enable
    telnet timeout 5
    ssh timeout 5
    console timeout 0
    terminal width 80
    Cryptochecksum:xxxx
    : end

    VPN connection attempt from off-site Win2K server yielded error 800. Attempt from off-site WinXP Pro box yielded some error (forgot number) regarding encryption or certificate.

    Any assistance would be greatly appreciated.

    Vince M.

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