Remi Locherer remi.locherer () relo ! ch
The MSS field from your syn packages tells the other side what max package
size you accept. I found this white paper helpful to understand MTU,
PMTUD and MSS:
You are apparently correct.
This doesn't help:
match in all scrub (no-df)
This does help:
Daniel Melameth daniel () melameth ! com
What have you tried?
MSS probably incorrectly.
I had a 4.9 install I think with a lot of rules but I've started from
scratch with 5.1 over the weekend and I think I've got it now.
TCP negotiates MSS so a TCP session will never have an MSS higher than
On 2012-08-06, David Walker davidianwal...@gmail.com wrote:
Interestingly this is the exact setup that ran with the previous ISP
so presumably they handled all that within their network and passed on
packets somewhat smaller than 1500 to me. I never had to reassemble
packets or scrub them or
Hi.
I've had a bridged modem and OpenBSD gateway setup for years on a
particular Australian ISP. I've never re-assembled packets and worried
over MTU or fragments.
Everything just worked ...
Recently one of the companies I work for changed ISP. I swapped the
relevant details on the gateway,
On Sun, Aug 5, 2012 at 7:50 AM, David Walker davidianwal...@gmail.com wrote:
I've had a bridged modem and OpenBSD gateway setup for years on a
particular Australian ISP. I've never re-assembled packets and worried
over MTU or fragments.
Everything just worked ...
Recently one of the companies
Daniel Melameth daniel () melameth ! com wrote:
When using pppoe(4), MSS can be a problem. I recommend you read the
MTU/MSS ISSUES section of the man page and see if that resolves your
issue.
I have read and tried.
As far as I can see there's an issue with incoming packets.
AFAIUI, MSS will
On Mon, Aug 06, 2012 at 12:54:48AM +0930, David Walker wrote:
Daniel Melameth daniel () melameth ! com wrote:
When using pppoe(4), MSS can be a problem. I recommend you read the
MTU/MSS ISSUES section of the man page and see if that resolves your
issue.
I have read and tried.
As far as
On Sun, Aug 5, 2012 at 9:24 AM, David Walker davidianwal...@gmail.com wrote:
Daniel Melameth daniel () melameth ! com wrote:
When using pppoe(4), MSS can be a problem. I recommend you read the
MTU/MSS ISSUES section of the man page and see if that resolves your
issue.
I have read and tried.
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