OT: Web server no longer works [Further problems?]

Joe Zeff joe at zeff.us
Thu Jul 3 21:47:28 UTC 2014


On 07/03/2014 02:36 PM, Rick Stevens wrote:
> You could use traceroute with a "-T" option (to try a TCP SYN probe),
> but you also need to specify a port you know the machine is listening on
> but is NOT blocked by the ISP. Most ISPs don't block SSH on port 22, so
> a "traceroute -T -p 22 <ipaddress>" may succeed IF you have sshd
> listening on port 22. No guarantees, however.

You can also use -I to make it use ICMP ECHO for the probes, but that 
requires root.


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