From: "Alexander W. Janssen" <yalla@ynfonatic.de>
To: Netfilter Mailinglist <netfilter@lists.netfilter.org>
Subject: Re: ICMP TTL=255
Date: Wed, 5 Mar 2003 18:23:31 +0100 [thread overview]
Message-ID: <20030305172331.GE12124@ynfonatic.de> (raw)
In-Reply-To: <3E65FC55.9050400@imos.net>
[-- Attachment #1: Type: text/plain, Size: 798 bytes --]
On Wed, Mar 05, 2003 at 02:32:05PM +0100, Ulrich Weber wrote:
> Hi,
Hi Ulrich,
> I don't think that it's iptables fault, but I don't know where to ask else.
> ICMP Ping ignores the TTL value of net/ipv4/ip_default_ttl and use 255.
if you mean with "ICMP Ping" your /bin/ping, it sets it's own TTL value. ping
uses raw-sockets to send it's data, so i can set it's own values. What it
likes. Btw: That's the reason why ping has the suid-bit set, only root is
allowed to open raw-sockets.
> All other traffic use the net/ipv4/ip_default_ttl value.
Since they don't use raw-sockets.
> Greets
> Ulrich
Alex.
--
"Mr Data, when I said 'Fire at Will', I didn't mean for you to be so literal."
Instructions for use of this post: Insert tounge in cheek. Read as normal.
[-- Attachment #2: Type: application/pgp-signature, Size: 248 bytes --]
prev parent reply other threads:[~2003-03-05 17:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-05 13:32 ICMP TTL=255 Ulrich Weber
2003-03-05 17:23 ` Alexander W. Janssen [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20030305172331.GE12124@ynfonatic.de \
--to=yalla@ynfonatic.de \
--cc=netfilter@lists.netfilter.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox