- 
    Mon Sep 18 2017 Phil Sutter - 1.4.21-18.2
    - Prevent iptables.service and ip6tables.service from running in parallel
  (RHBZ#1491963)
- Don't restart services upon upgrade (RHBZ#1491961) 
- 
    Mon Aug 14 2017 Thomas Woerner <twoerner@redhat.com> 1.4.21-18.1
    - Use wait option for restore calls to fix failing service starts
  (RHBZ#1481207) 
- 
    Mon Apr 24 2017 Thomas Woerner <twoerner@redhat.com> 1.4.21-18
    - Add support for --wait options to restore commands (RHBZ#1438597)
- Do not set changed flag for rule check operations with module targets
  (RHBZ#1438597)
- Add version option to restore commands (RHBZ#1438597) 
- 
    Fri Jul 01 2016 Thomas Woerner <twoerner@redhat.com> 1.4.21-17
    - Fixed init script not to fail on missing restorecon (RHBZ#1246380)
- Adapted man page snipplet for TRACE to use proper logging backend names
  (RHBZ#1261238)
- Warn about use of DROP in nat table (RHBZ#1298879)
- Fixed modules unload in init script (RHBZ#1324102) 
- 
    Fri Sep 18 2015 Thomas Woerner <twoerner@redhat.com> 1.4.21-16
    - Fix important coverity findings: missing include for flock and use bash for
  init script (RHBZ#1264399) 
- 
    Fri Sep 18 2015 Thomas Woerner <twoerner@redhat.com> 1.4.21-15
    - Use systemd AssertPathExists for /etc/sysconfig/iptables (RHBZ#1200415) 
- 
    Tue Jun 30 2015 Thomas Woerner <twoerner@redhat.com> 1.4.21-14
    - Add cgroup support (RHBZ#1058660)
- Add wait seonds support for commands (RHBZ#1156411)
- Add dhcpv6-client in default IPv6 firewall rules (RHBZ#1169036)
- Add message for init script error returns (RHBZ#1200415)
- Use flock for wait option (RHBZ#1202435) 
- 
    Thu Mar 27 2014 Thomas Woerner <twoerner@redhat.com> 1.4.21-13
    - fixed further update issues from RHEL-6 to RHEL-7 (RHBZ#1043901) 
- 
    Tue Mar 11 2014 Jiri Popelka <jpopelka@redhat.com> - 1.4.21-12
    - Fixed iptables-save man page completely wrong (RHBZ#1054871) 
- 
    Mon Mar 10 2014 Jiri Popelka <jpopelka@redhat.com> - 1.4.21-11
    - Added missing "panic" action (RHBZ#1067670)