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From: Jeff Sickel <jas@corpus-callosum.com>
To: 9fans <9fans@9fans.net>
Subject: Re: [9fans] sshnet and the go dns resolver
Date: Tue, 23 Feb 2021 17:23:08 -0600	[thread overview]
Message-ID: <2B6B7294-863E-40DE-96A6-BDE503887FD6@corpus-callosum.com> (raw)
In-Reply-To: <F61B1682-DF92-4EFE-BFF9-49D8A3D54D87@quintile.net>

I’ve noticed similar problems with go programs and resolving a lookup.
There are go programs that explicitly look for “/etc/resolv.conf” to
grab the nameserver to use, though it would be nice if the developer
were using the default net package for lookups.


> On Feb 23, 2021, at 3:34 PM, Steve Simon <steve@quintile.net> wrote:
> 
> hi,
> 
> the senerio - i have a plan9 terminal, a mac laptop. the laptop connects to a vpn.
> 
> i write in go, and thus far i use sshfs to mount the mac’s filesystem and edit my code. i build and run the code on the mac.
> 
> i thought i could use git9 via sshnet to work natively on plan9
> 
> most of this is fine but when go tries to access mod files for packages on the vpn i get a “no sutiable address found” error for proxy.golang.org.
> 
> i can resce the address i need (over the vpn) using ndb/dnsquery however.
> 
> if i try and build without my sshnet vpn connection then i get a different error which refers to a repository on the vpn.
> 
> so. i think the native resolver in the go libraries (and thus in the go executable) do not play nicely with sshnet.
> 
> my guess (only a guess) is go is trying to do its own name resolution using udp port 53 and sshnet does not support udp.
> 
> anyone any ideas?
> can i convince go to use plan9’s own name resolution?
> can ssh (and thus sshnet) forward udp or is that not possible?
> 
> thanks for any ideas
> 
> -Steve
> 

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  parent reply	other threads:[~2021-02-23 23:23 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-23 21:34 Steve Simon
2021-02-23 22:23 ` Fazlul Shahriar
2021-02-23 23:23 ` Jeff Sickel [this message]
2021-02-24  1:05   ` Steve Simon

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