can not connect to or IP addr port 80

Cary cary at
Mon Aug 1 20:17:46 UTC 2016

Matthias Apitz wrote:
> El día Monday, August 01, 2016 a las 12:36:47PM -0700, Cary escribió:
>>> none of the WLAN workstations can reach at port 80; the
>>> command
>>> telnet 80
>>> shows resolving to the IP addr, but does not connect; a tcpdump
>>> shows only SYN pkg going out to but no SYN answer is coming in.
>>> This is as far as I can see the only side which is not reachable, all other
>>> port 80, 443 and SSH 22 to anywhere is just fine;
>>> Any ideas what could be wrong? I'm afraid, when I contact my ISP (a German
>>> local telephone provider) they will ask me if I have the latest Win7 patch
>>> installed ... :-)
>>> matthias
>> hello Matthias,
>> Today I also noticed, just after fetching ports with portsnap(8) ,
>> that wasn't responding.  It is back now afaict.
> To make this clear: I was able at the same time to reach the IP
> addr from other points (for example from my mobile phone),
> but not from my WAN addr; and I do not have a firewall
> block for port 80 for; the only options I can think off are
> a) a routing issue from to
> b) a block in based on the source addr
> 	matthias

portsdb(1) failed for me, and after checking with ping(8) there was
no response trying to reach the same ip from my ISP in California.

cary at
SDF Public Access UNIX System -


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