From: Per Kristiansson <pkristia <at> SE <dot> PACKARDBELL <dot> ORG>
Date: 2 dec 1999
Subject: SV:      Playing through firewalls

The java shogi site requires port 55555 to be open on the firewall.

----- Original Message -----=20
From: Ralf Lundberg <ralf <at> CS <dot> CHALMERS <dot> SE>
To: <SHOGI-L <at> TECHUNIX <dot> TECHNION <dot> AC <dot> IL>
Sent: Thursday, December 02, 1999 4:15 PM
Subject: Playing through firewalls


> As far as I understand neither of the sites JavaShogi, ShogiDojo and
> the new Mindsports site supports play from sites behind firewalls.
>=20
> I think it should be considered normal for companies to have firewalls
> (my current as well as my previous employer use them). Some may
> be able to pursuade their system managers to open up the ports =
required,
> but that would lower protection and is a litle bit against the
> idea of firewalls.
>=20
> So, it would be desireable for all such sites to provide a way to
> play through firewalls. For what I have heard there are ways to do
> that, by using ports that are normally open, especially the http port.
> However this of course takes some extra effort.
>=20
> Also, some applets for viewing game databases seems not to work
> from behind firewalls, but others do.
>=20
>=20
> So, by this mail I am pleading implementors of such sites to give
> this a thought. You may get some extra visitors by doing so.
>=20
> My guess is that quite a lot of people are behind firewalls, but
> I am not sure. Has anyone some esimate of how common this is?
>=20
>=20
> And, finally a remark about a topic brought up some time ago by
> a similar question..
>=20
> Yes, I should rather play at home than at work. But it whould be
> interesting to check out sites that I cannot use from home. (The
> MSO site for instance currently requires a windows platform, which
> I currently do not have at home.) And it may be worth to stay some
> evening to play.
> Also some get their private interet access through their companies.
>=20
> --
> ___________________________________________________________________
> Ralf Lundberg           http://www.cd.chalmers.se/~ralf/index.html
> ralf <at> carmenta <dot> se        (email home: <ralf <at> cs <dot> chalmers <dot> se)