Subj : Re: ping netmail - Does M
To : PSI-JACK
From : GRYPHON
Date : Thu Jan 31 2019 07:20 pm
On 09/02/14, Psi-Jack said the following...
Ps> On 09/01/14, g00r00 said the following...
Ps>
Ps> g0> Let me make sure I understand exactly what you're asking for.
Ps> g0>
Ps> g0> I've never heard of anything keying off of "ping" before. If someone
Ps> g0> has a handle of "ping" then they would never get netmail! What has t
Ps> g0> feature? If I do something like this it probably wouldn't be ping bu
Ps> g0> something less likely to be someone's alias.
Ps>
Ps> It's actually in the FTN spec for netmail, adopted about 15~20 years
Ps> ago, to help locate routing issues. Learned about it just recently
Ps> myself from Mark on Zone1 echomail conferences, as I'm trying to
Ps> determine root cause for me not receiving netmail.
Ps>
Ps> g0> Anyway...
Ps> g0>
Ps> g0> You want a message sent to "ping" to be replied to automatically and
Ps> g0> include the PATH kludges, I get that part. But then what happens to
Ps> g0> What do you mean by continuing to send? Send it to where? Mystic
Ps> g0> shouldn't be touching netmails that aren't addressed to it ever, exce
Ps> g0> to reroute them if needed.
Ps>
Ps> I mean, when I send a netmail to the username "ping" (w/o quotes), to an
Ps> address, systems that get that netmail routed to it, if they follow the
Ps> ping protocol spec, it creates a new netmail to send back to the
Ps> origin's sender name and FTN address with the route path, while not
Ps> touching the original netmail, allowing further routing, as necessary,
Ps> to continue its due course to the final destination.
Ps>
Ps> I'll see if I can dig up more info on the actual spec... In fact, I just
Ps> did..
Ps>
Ps>
http://ftsc.org/docs/fts-5001.002
Ps>
Ps> Apparently there's also a PING flag as well in relation to this.
According to those docs you posted, it all hinges on the fact as to whether or
not the dest node must fly the PING flag. Presumably that flag is in the
nodelist. What happens when nodes in the chain don't support the ping
function?
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