What is wrong with pppd version 2.3.5?
From: Achim Gorski (gorski_at_netapp.com)
Date: 01/02/04
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To: freebsd-questions@FreeBSD.ORG, freebsd-net@FreeBSD.ORG Date: 02 Jan 2004 09:36:11 +0100
Recently I installed 5.2-RC2 for testing purpose and
saw an unexplainable behaviour of pppd 2.3.5.
I have an old FreeBSD 4.2 running and connecting via
modem with ppp to an ISP using ipfw, natd and pppd.
Then I configured the 5.2-RC2 install logical identical,
but it does not route any packets. I can ping ppp0 but not
the default gateway. This was pppd 2.3.5.
Because I did not found anything wrong, I just copied the
old pppd binary version 2.3.1 from 1998 to the 5.2-RC2 test
system and this works! I was really surprised, because I
did not change anything except the pppd binary.
Any clue what is wrong here? Is it my configuration or
something in pppd? What changed in version 2.3.5?
Thanks, Achim
------------------------------------------------------------------------------
Here is what I configured.
$ pppd user username /dev/cuaa0 57600 connect 'my script'
/etc/ppp/options:
modem crtscts noipdefault defaultroute netmask 255.255.255.0
/etc/rc.conf:
firewall_enable="YES"
firewall_type="OPEN"
firewall_logging="YES"
natd_enable="YES"
natd_interface="ppp0"
natd_flags="-dynamic "
gateway_enable="YES"
Kernel:
options IPFIREWALL
options IPFIREWALL_VERBOSE
options IPFIREWALL_VERBOSE_LIMIT=100
options IPFIREWALL_DEFAULT_TO_ACCEPT
options IPDIVERT
options TCP_DROP_SYNFIN
options IPSTEALTH
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