Maybe insecure.org has theyr own 192.168.0.0 private LAN :) On Sat, 11 Sep 2004 19:09:11 -0400, Mike <1100100@xxxxxxxxx> wrote: > Hi Group: > > I've tested for open ports from all the LAN clients behind my linux > box router/gateway/firewall and all of them come up with the same > results: port 21, 23, and 80 are open according to the results of the > Steve Gibson Shields Up test. > > I can't figure out how this can be happening. > I've run a full nmap -P0 (that's a zero) on all my local ip addresses > - 192.168.169.* > > You'll see below that the only ports open according to nmap on all the > clients is Port 139. This is appropriate as the box on 192.168.169.2 > is running a Samba server that all the clients connect to. > > The box on 192.168.169.2 has Port 80 open because I run Apache as an > intranet webserver. It cannot be accessed from outside the firewall. > Port 631 is open because that's the port that receives print jobs via > the CUPS printserver. The LAN clients send print jobs to the > printserver via port 631. Lastly, I had the X window system up and > running when I ran nmap so you can see a port open for that. > > But none of the clients, nor the gateway address on the routerbox > (192.168.169.1) show port 21, 23, and 80 as open. > > So, I'm left with some questions: > > A) Is the Gibson test accurate or am I misunderstanding the results? > B) Do I need to do another kind of diagnostic test using nmap? > > Thank you for reading the long post. > I appreciate the time and help. > > Mike > > Starting nmap 3.55 ( > http://www.insecure.org/nmap/ ) at 2004-09-09 10:21 EDT > All 1660 scanned ports on 192.168.169.0 are: filtered > > All 1660 scanned ports on 192.168.169.1 are: filtered > > Interesting ports on primary.us (192.168.169.2): > (The 1655 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 80/tcp open http > 139/tcp open netbios-ssn > 631/tcp open ipp > 6000/tcp open X11 > > Interesting ports on 192.168.169.3: > (The 1659 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXXXX (Intel) > > Interesting ports on 192.168.169.4: > (The 1658 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 135/tcp open msrpc > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXX (3com) > > Interesting ports on 192.168.169.5: > (The 1659 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXXXXXX (Netgear) > > Interesting ports on 192.168.169.6: > (The 1659 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXXX (The Linksys Group) > > Interesting ports on 192.168.169.7: > (The 1659 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXXXX (3com) > > All 1660 scanned ports on 192.168.169.8 are: filtered > > Interesting ports on 192.168.169.9: > (The 1659 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXXXX (Hsing TECH. Enterprise CO.) > > Interesting ports on 192.168.169.10: > (The 1659 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXXXXXX (Hsing TECH. Enterprise CO.) > > All 1660 scanned ports on 192.168.169.11 are: filtered > > All 1660 scanned ports on 192.168.169.12 are: filtered > > Interesting ports on 192.168.169.13: > (The 1659 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXXX (Micro-star International CO.) > > Interesting ports on 192.168.169.14: > (The 1658 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 135/tcp open msrpc > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXXXXXXX (The Linksys Group) > > Interesting ports on 192.168.169.15: > (The 1659 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXXX (Intel - Hf1-06) > > Interesting ports on 192.168.169.16: > (The 1659 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXXXXX (Micro-star International CO.) > > Interesting ports on 192.168.169.17: > (The 1659 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXXXXX (Micro-star International CO.) > > Interesting ports on 192.168.169.18: > (The 1659 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXXXXXXXX (Micro-star International CO.) > > Interesting ports on 192.168.169.19: > (The 1659 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXX (Micro-star International CO.) > > Interesting ports on 192.168.169.20: > (The 1659 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXXXXX (Micro-star International CO.) > > All 1660 scanned ports on 192.168.169.21 are: filtered > > Interesting ports on 192.168.169.22: > (The 1659 ports scanned but not shown below are in state: closed) > PORT STATE SERVICE > 139/tcp open netbios-ssn > MAC Address: XXXXXXXXXXXX (Micro-star International CO.) > > All 1660 scanned ports on 192.168.169.23 are: filtered > > All 1660 scanned ports on 192.168.169.24 are: filtered > > -----------<<<snip>>>------------------------- > > -- Bla bla