Subj : Re: Connectivity Validation
To   : Scott Street
From : Wilfred van Velzen
Date : Tue Oct 05 2021 08:37:03

Hi Scott,

On 2021-10-04 23:54:02, you wrote to me:

 WV>> Still no connect possible to 1:266/420. My system has been trying
 WV>> every 2 hours since above date...

 SS> After much back and forth with Comcast/Xfinity;  I have found that I needed
 SS> to drop IPv6 support for incoming connections.  A shame really, because
 SS> Comcast's gateways do not support UPNP for IPv6.  Oh, and why UPNP?
 SS> Because the router "calls home" to Comcast periodically (often?) and gets
 SS> new configuration information and it seems that in my region, the port
 SS> forwards are not saved.  So I discovered a simple workaround for there junk
 SS> software;  now two things happen, first when my DHCP client detects a
 SS> network change it runs my DNS update script and that script now includes
 SS> 'upnpc' commands to refresh the port mappings.  The script also runs every
 SS> five hours just in case the gateway's IP address changed without changes on
 SS> the inside.

Do you have a choice of providers in your area? ;)

 SS> I wish I thought of UPNP a week or so ago;  would have saved me many
 SS> hours of hold time and fustration.

I can confirm it's working now:

+ 05 Oct 04:22:04 [9354] call to 1:266/420@fidonet
  05 Oct 04:22:04 [9354] trying digitalpost.freeddns.org [2601:48:c500:9340::da3]...
? 05 Oct 04:24:12 [9354] connection to 1:266/420@fidonet failed: Connection timed out
+ 05 Oct 04:24:12 [9354] holding 1:266/420@fidonet (2021/10/05 05:24:12)
  05 Oct 04:24:12 [9354] trying digitalpost.freeddns.org [68.84.122.190]:24554...
  05 Oct 04:25:15 [9354] connected
+ 05 Oct 04:25:15 [9354] outgoing session with digitalpost.freeddns.org:24554 [68.84.122.190]
- 05 Oct 04:25:15 [9354] OPT CRAM-MD5-cba663c3464ec014460c6b1685ac3fee
+ 05 Oct 04:25:15 [9354] Remote requests MD mode
- 05 Oct 04:25:15 [9354] SYS The Digital Post
- 05 Oct 04:25:15 [9354] ZYZ Scott Street
- 05 Oct 04:25:15 [9354] LOC Wilmington, DE
- 05 Oct 04:25:15 [9354] NDL 115200,CM,IBN
- 05 Oct 04:25:15 [9354] TIME Mon,  4 Oct 2021 22:25:15 -0400
- 05 Oct 04:25:15 [9354] VER binkd/1.1a-112/Linux binkp/1.1
+ 05 Oct 04:25:15 [9354] addr: 1:266/420@fidonet
- 05 Oct 04:25:16 [9354] TRF 0 0
+ 05 Oct 04:25:16 [9354] Remote has 0b of mail and 0b of files for us
- 05 Oct 04:25:16 [9354] OPT EXTCMD NR GZ BZ2
+ 05 Oct 04:25:16 [9354] Remote supports EXTCMD mode
+ 05 Oct 04:25:16 [9354] Remote requests NR mode
+ 05 Oct 04:25:16 [9354] Remote supports GZ mode
+ 05 Oct 04:25:16 [9354] Remote supports BZ2 mode
- 05 Oct 04:25:16 [9354] we are in NR mode
+ 05 Oct 04:25:16 [9354] done (to 1:266/420@fidonet, OK, S/R: 0/0 (0/0 bytes))
  05 Oct 04:25:16 [9354] session closed, quitting...

(Trying IPv6 first was probably a dns cache "issue", when I check your host name now, only a IPv4 address is shown)

Bye, Wilfred.

--- FMail-lnx64 2.1.0.18-B20170815
 * Origin: FMail development HQ (2:280/464)

.