Web Hosting Provider - finding blocked ports
Tom Buskey
tom at buskey.name
Fri Jan 20 10:22:00 EST 2006
On 1/20/06, Drew Van Zandt <drew.vanzandt at gmail.com> wrote:
>
> I second the SagoNet anti-vote. They've gotten better recently, but I
> still don't trust them, and they block some outbound ports, AND won't tell
> me which they block. WTF?
If you can run nmap on the server you can find out what ports are blocked:
nmap -P0 login.oscar.aol.com
AIM has every port open to try to get around firewall filtering. If you
find an open port in nmap, it's not blocked by the firewall.
--
A strong conviction that something must be done is the parent of many bad
measures.
- Daniel Webster
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