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On Mon, 26 Jun 2006 09:22:26 +0100
Stuart James <stuart@xxxxxxxxxx> wrote:
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> Hi,
>
> We are using Openswan to connect two of our sites together via an
> IPSEC tunnel. Recently we upgraded from FC3 to FC5 on our frontend
> firewalls, including the version of openswan , selinux policy,
> kernel ,ect. We used to run in enforcing mode without any
> difficulties, it now seems that with Enforcing mode on Openswan does
> not seem to be able to add the route.
>
> Using setenforce 0 , the tunnel becomes active. As far as i can
> tell Openswan has difficulty adding the route to the Right/Left
> nexthop, although the status of the tunnel appears to be up, the
> routing does not appear to take place.
>
> #audit2allow -a -t /var/log/audit/audit.log
> allow ifconfig_t self:netlink_xfrm_socket create;
> allow ifconfig_t initrc_t:unix_stream_socket { read write };
I've followed this up in more detail, adding to
/usr/src/redhat/SOURCES/serefpolicy-2.2.43/policy/modules/system/sysnetwork.te
# IPsec
allow ifconfig_t self:netlink_xfrm_socket create;
allow ifconfig_t initrc_t:unix_stream_socket { read write };
allow ifconfig_t self:netlink_xfrm_socket setopt;
allow ifconfig_t initrc_t:udp_socket { read write };
allow ifconfig_t self:netlink_xfrm_socket { bind setopt };
allow ifconfig_t self:netlink_xfrm_socket bind;
allow ifconfig_t self:netlink_xfrm_socket read;
allow ifconfig_t self:netlink_xfrm_socket { bind getattr };
allow ifconfig_t self:netlink_xfrm_socket { bind getattr write };
allow ifconfig_t self:netlink_xfrm_socket { bind getattr nlmsg_read
write };
As every time i added this, and recompiled the source for the targeted
policy, i got new errors in the audit.log. Although i have added
allow ifconfig_t self:netlink_xfrm_socket read;
I still get it in my audit.log
When ipsec restarts
Shutting down IPsec: Stopping Openswan IPsec...
Cannot talk to rtnetlink: Invalid argument
Cannot talk to rtnetlink: Invalid argument
[ OK ]
Starting IPsec: Starting Openswan IPsec 2.4.4...
insmod /lib/modules/2.6.16-1.2122_FC5/kernel/net/key/af_key.ko
insmod /lib/modules/2.6.16-1.2122_FC5/kernel/net/ipv4/xfrm4_tunnel.ko
Cannot talk to rtnetlink: Invalid argument
Cannot talk to rtnetlink: Invalid argument
Any help with this would be great.
Regards,
- --
Stuart James
System Administrator
DDI - (44) 0 1765 643354
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