linux-kernel - Re: [patch] ip_local_port_range sysctl has annoying default

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 11 May 2007 17:06:38 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mark@...nes.org
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [patch] ip_local_port_range sysctl has annoying default

From: Mark Glines <mark@...nes.org>
Date: Fri, 11 May 2007 17:01:35 -0700

> Following the principle of least astonishment, I think it seems better
> to use high, out-of-the-way port numbers regardless of how much RAM the
> system has.  So, the following patch changes this behavior slightly.
> The system still picks a dynamic range depending on the bind hash size,
> but now, all ranges start with 32768.  I suppose another reasonable way
> to do this would be to end all ranges with 61000, or something like
> that.

All ports above and including 1024 are non-privileged and available to
anyone.

Applications which have some requirements in this area need to work
those things out themselves.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/