Re: [tor-relays] Server lost Stable flag but has more than 60 days uptime

[Christoph Graf <christoph@xxxxxxxxxxxxx>]

I had a similar problem recently. As I suspected an MTU path discovery 
problem due to filtered ICMP traffic somewhere along the path I started 
to clamp TCP MSS to 1200. Performancewise not exactly great, but I am 
back in business since. Done this way on my raspi:

# iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --set-mss 
1200

C

Am 25.01.21 um 11:53 schrieb raltullou@xxxxxxxxxx:
> Hi Matt, thank you for the reply.
>
> I restarted the server since I hoped it would fix the underlying 
> problem but I don't it did.
> I'll wait for 7 days as you suggested but the server has been up for 
> almost four years
> now so a reboot shouldn't affect the stable flag. Its sister server 
> was rebooted at the
> same time but still counts as stable.
>
> The traffic graphs show that the server has been up the entire time so 
> I really don't
> know what's going on.
>
> TY
>
> Am 22.01.2021 14:58 schrieb Matt Traudt:
> > I can't speak for why it didn't have the Stable flag yesterday, but you
> > don't have it at this moment because you only have ~21 hours of uptime,
> > as stated on that page.
> >
> > Stable flag requirements:
> > https://gitweb.torproject.org/torspec.git/tree/dir-spec.txt#n2427
> >
> > By my estimation from reading the spec and a *quick* skim of the code,
> > you will regain the Stable flag at ~7 days of uptime. The Mean Time
> > Between Failures (MTBF) stuff is irrelevant: it's currently set to ~38
> > days by the authorities, but the code says anything more than ~7 shall
> > be considered Stable.
> >
> > Now that I've said the above, I expect to be corrected. Lol.
> >
> > Matt
> >
> > On 1/21/21 7:02 AM, raltullou@xxxxxxxxxx wrote:
> > > Hello list,
> > >
> > > I'm trying to find out why the server
> > > (https://metrics.torproject.org/rs.html#details/11DF0017A43AF1F08825CD5D973297F81AB00FF3) 
> > >
> > > has lost its stable flag.
> > > As far as I can see it is running a recent version of tor and has an
> > > uptime of over 60 days.
> > > Are there other reasons that factor into the Stable flag?
> > > The log file doesn't give my an indication that there is anything 
> > > wrong,
> > > either.
> > >
> > > Any ideas?
>
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--
Christoph Graf
Im Bruppach 11
CH-8703 Erlenbach ZH
--------------------
christoph@xxxxxxxxxxxxx
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