Help - Port 80 always open


I dont know what to do more, so this is my last resource getting help from the pros.

i have windows 7 (32 bits) running comodo as firewall, disabled every service that i dont need, ICS is disabled as well.

I connect to internet using a mobile broadband connection (vodafone) WITHOUT router.

Everytime i do a security test (grc and symantec) the result is alwayas the same, all ports stealth excepting port 80 that is always opened.

Using command netstat -o -n -a | findstr 0.0:80 , return 0 matches

More information:

C:\Users\Ze>tasklist /svc

Image Name PID Services
========================= ======== ============================================
System Idle Process 0 N/A
System 4 N/A
smss.exe 348 N/A
csrss.exe 440 N/A
csrss.exe 500 N/A
wininit.exe 508 N/A
winlogon.exe 552 N/A
services.exe 604 N/A
lsass.exe 620 SamSs
lsm.exe 628 N/A
svchost.exe 728 DcomLaunch, PlugPlay, Power
svchost.exe 820 RpcEptMapper, RpcSs
cmdagent.exe 880 cmdAgent
svchost.exe 952 CryptSvc, Dnscache, LanmanWorkstation,
NlaSvc, TapiSrv
svchost.exe 1004 Audiosrv, Dhcp, eventlog
svchost.exe 1044 AudioEndpointBuilder, hidserv, Netman,
SysMain, UxSms, WdiSystemHost, WPDBusEnum,
svchost.exe 1080 AeLookupSvc, gpsvc, IKEEXT, MMCSS, ProfSvc,
RasMan, Schedule, SENS, ShellHWDetection,
Themes, Winmgmt
audiodg.exe 1156 N/A
svchost.exe 1196 EventSystem, netprofm, nsi, SstpSvc,
AvastSvc.exe 1352 avast! Antivirus
dwm.exe 1464 N/A
explorer.exe 1484 N/A
svchost.exe 1524 BFE, DPS
taskhost.exe 1548 N/A
sppsvc.exe 1724 sppsvc
cfp.exe 1832 N/A
AvastUI.exe 1912 N/A
svchost.exe 1988 PolicyAgent
MagicDisc.exe 396 N/A
rundll32.exe 1268 N/A
WmiPrvSE.exe 2088 N/A
svchost.exe 2192 WerSvc
cmd.exe 2904 N/A
conhost.exe 2928 N/A
WUDFHost.exe 3040 N/A
tasklist.exe 3104 N/A

Ty in advance

You are most likely behind a router and when running those tests the sites are probing your router and not your computer.


As i said before im using a mobile broadband connection, WITHOUT router.

By the way i went to and used their aplication. Scanner said my port 80 was blocked (by ISP).

So if i dont have a router, and my ISP is blocking port 80 (no web servers allowed to host) why it appears opened on grc and symantec scan.


Help from someone, please.


Vodafone, at least in some countries, NAT their client connections, so you typically won’t have access to well known inbound ports, like HTTP. Your best bet is to ask Vodafone, as it may be something to do with the APN (Access Point Name) your using.