2015-06-17 18:55 GMT+03:00 Tom Eastep <[email protected]>:

>  On 6/16/2015 9:44 PM, Иван Иванов wrote:
>
> Hello.
>
>  I have remote server (Ubuntu 14.04, Shorewall 4.5.21) with one physical
> interface eth0. This server is IPSEC/L2TP client.
>  L2TP tunnel interface:
> ppp0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1410 qdisc pfifo_fast
> state UNKNOWN group default qlen 3
>     link/ppp
>     inet 192.168.1.160 peer 192.168.1.254/32 scope global ppp0
>        valid_lft forever preferred_lft forever
>
>  Shorewall config.
> Interfaces:
>  -       lo              ignore
> net     eth0            dhcp,physical=+,routeback,optional,routefilter
> l2tp    ppp0
>
>  Zones:
>  fw              firewall
> net             ipv4
> vpn             ipsec
> l2tp            ipv4
>
>  Tunnels:
> ipsec                   net     xx.xx.xx.xx                    vpn
>
>  Hosts:
> vpn     eth0:0.0.0.0/0
>
>  Policy:
>  $FW     all     ACCEPT
> vpn     net     NONE
> net     vpn     NONE
> l2tp    all     ACCEPT
> net     all     DROP            info
> all     all     REJECT          info
>
>  When l2tp tunnel is up, traffic through ppp0 counts as net2fw.
>  Jun 17 18:05:06 server kernel: Shorewall:net2fw:DROP:IN=ppp0 OUT= MAC=
> SRC=192.168.1.1 DST=192.168.1.160 LEN=60 TOS=0x00 PREC=0x00 TTL=63 ID=63204
> DF PROTO=TCP SPT=57205 DPT=3128 WINDOW=29200 RES=0x00 SYN URGP=0
> Jun 17 18:05:06 server kernel: Shorewall:net2fw:DROP:IN=ppp0 OUT= MAC=
> SRC=192.168.1.1 DST=192.168.1.160 LEN=60 TOS=0x00 PREC=0x00 TTL=63 ID=49828
> DF PROTO=TCP SPT=57207 DPT=3128 WINDOW=29200 RES=0x00 SYN URGP=0
>
>  I wonder what did i miss? Why ppp0 traffic does not belong l2tp zone
> (IN=ppp0, but net2fw chain)?
>
> Your tunnels entry is incorrect - it should be:
>
> ipsec    l2tp    xxx.xxx.xxx.xxx    vpn
>
> -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 carhttp://shorewall.net 
> \________________________________________________
>
>
>
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>
Shorewall documentation says:
" ZONE - zone
     The zone of the physical interface through which tunnel traffic passes.
     This is normally your internet zone."
I think this means "net" zone.
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