Hello 
I have upgraded Packetfence from 8.0.1 to 8.1.0 on Debian 8.
Now i see the following warnings in packetfence.log:
Aug 21 16:50:04 nac-test packetfence: WARN -e(604): Problem trying to run 
command: LANG=C sudo /sbin/iptables -S | grep input-management-if called from 
manager::iptables::isAlive. Child exited with non-zero value 1 
(pf::util::pf_run)Aug 21 16:50:04 nac-test packetfence: WARN -e(604): Problem 
trying to run command: LANG=C sudo /sbin/iptables -S | grep input-management-if 
called from manager::iptables::isAlive. Child exited with non-zero value 1 
(pf::util::pf_run)Aug 21 16:50:04 nac-test packetfence: WARN -e(604): Problem 
trying to run command: LANG=C sudo /sbin/iptables -S | grep input-management-if 
called from manager::iptables::isAlive. Child exited with non-zero value 1 
(pf::util::pf_run)Aug 21 16:50:04 nac-test packetfence: INFO -e(604): saving 
existing iptables to /usr/local/pf/var/iptables.bak 
(pf::iptables::iptables_save)Aug 21 16:50:04 nac-test packetfence: WARN 
-e(604): We are using IPSET (pf::ipset::iptables_generate)Aug 21 16:50:04 
nac-test packetfence: INFO -e(604): flushing iptables 
(pf::ipset::iptables_flush_mangle)Aug 21 16:50:04 nac-test packetfence: INFO 
-e(604): Adding Forward rules to allow connections to the OAuth2 Providers and 
passthrough. (pf::iptables::generate_passthrough_rules)Aug 21 16:50:04 nac-test 
packetfence: INFO -e(604): Adding NAT Masquerade statement. 
(pf::iptables::generate_passthrough_rules)Aug 21 16:50:04 nac-test packetfence: 
WARN -e(604): Use of uninitialized value in substitution iterator at 
/usr/local/pf/lib/pf/util.pm line 531, <$template_fh> line 
27.(pf::util::parse_template)Aug 21 16:50:05 nac-test packetfence: INFO 
-e(604): restoring iptables from /usr/local/pf/var/conf/iptables.conf 
(pf::iptables::iptables_restore)Aug 21 16:50:05 nac-test packetfence: WARN 
-e(604): Problem trying to run command: LANG=C /sbin/iptables-restore < 
/usr/local/pf/var/conf/iptables.conf called from iptables_restore. Child exited 
with non-zero value 2 (pf::util::pf_run)

What to do now?
Thank youChristian


        
    
  
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