On 3/28/2014 9:41 AM, Angela Williams wrote: > Hi Tom! > > On 28/03/2014 18:02, Tom Eastep wrote: >> On 3/28/2014 1:10 AM, Angela Williams wrote: >>> Hi! >>> >>> On 27/03/2014 20:54, Tom Eastep wrote: >>>> On 3/27/2014 10:54 AM, Angela Williams wrote: >>>>> Hi Tom! >>>>> >>>>> On 27/03/2014 19:02, Tom Eastep wrote: >>>>>> On 3/27/2014 8:53 AM, Angela Williams wrote: >>>>>>> Hi All! >>>>>>> I've no hit the same problem I hit quite some time back in trying to >>>>>>> replace a rather limited script based iptables rule generator. Now I >>>>>>> have no option really. The customer now has add a nice new 5M fibre >>>>>>> connection to supplement the existing 1< leased line as well as an adsl >>>>>>> link that is only for emergencies! >>>>>>> >>>>>>> Okay! The Problem! There are a few staff members the need to use a >>>>>>> standard M$ PPiP vpn to connect to their biggest and almost only >>>>>>> customers tracking system. I know the ideal is to set it up on the >>>>>>> firewall but that will be a future project! Right now I need to get it >>>>>>> working! I ran a tcpdump on the old script based system and the tcp 1723 >>>>>>> and GRE packets just hapily fly back and forth! >>>>>>> Stopped the old service and started shorewall. Another tcpdump showed no >>>>>>> GRE packets being masq'd out. I can rule out anything with the kernel as >>>>>>> that is the same for both firewall generators! >>>>>>> >>>>>>> Maybe it's just me misreading or misunderstanding the docs! >>>>>>> Or maybe I just need my bum kicked! >>>>>>> >>>>>>> I have bziped up the shorewall dump and it is attached as ross.dump.bz2/ >>>>>> >>>>>> Hi Ang, >>>>>> >>>>>> Unfortunately, this dump shows no active connections using tcp port 1723 >>>>>> or GRE. Can you capture one that demonstrates the issue? >>>>> >>>>> Me's just a bit flustered! Not thinking straight! >>>>> >>>>> This might just be a tad better! ross1.dump.bz2 attached! >>>> >>>> It doesn't look as though you have any of the helpers enabled. Try >>>> setting AUTOHELPERS=Yes in shorewall.conf. >>> >>> The pptp and gre helpers are built into the kernel. The old script >>> generated rirewall works just fine. >>> In the meantime I'm going to get pptp setup on the server. At leastthe >>> customer almost completely at 1239 today so I have time to test and not >>> affect the staff! >> >> What is the setting of /proc/sys/net/netfilter/nf_conntrack_helper? > > It's set to 1 > > I do remember reading so time back about needing the pptp and gre > helpers as modules and not in the kernel! > Any thoughts as that would make your latest email valid!
The behavior that I described is independent of whether your kernel is modularized or not. -Tom -- Tom Eastep \ When I die, I want to go like my Grandfather who Shoreline, \ died peacefully in his sleep. Not screaming like Washington, USA \ all of the passengers in his car http://shorewall.net \________________________________________________
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