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* [package] firewall: add support for "local" port forwards which target an ↵Jo-Philipp Wich2012-01-081-2/+13
| | | | | | internal address on the router itself git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29687 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall:Jo-Philipp Wich2011-12-202-1/+10
| | | | | | | | | - introduce per-section "option enabled" which defaults to "1" - useful to disable rules or zones without having to delete them - annotate default traffic rules with names - bump version git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29577 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: add DHCPv6 default rule (#10381)Jo-Philipp Wich2011-11-091-0/+12
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28874 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: relocate TCPMSS rules into mangle table, add code to ↵Jo-Philipp Wich2011-10-293-6/+20
| | | | | | selectively clear them out again git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28669 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: do not produce 0.0.0.0/0 if a symbolic masq_src or ↵Jo-Philipp Wich2011-10-272-3/+6
| | | | | | masq_dest is given but does not resolve to an ip git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28628 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: prevent ip6tables -t nat rules (#10265)Jo-Philipp Wich2011-10-231-1/+2
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28535 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: fix another instance of unquoted "*"Jo-Philipp Wich2011-10-221-1/+1
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28529 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: fix possible expansion of "*" when rules with "option ↵Jo-Philipp Wich2011-10-221-5/+10
| | | | | | src *" are processed git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28527 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: do not check for module availability, let iptables fail ↵Jo-Philipp Wich2011-10-221-15/+1
| | | | | | if a feature is not present (#7610) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28525 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: make ESTABLISHED,RELATED rules match before INVALID, use ↵Jo-Philipp Wich2011-09-011-8/+8
| | | | | | conntrack instead of state match (#10038) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28148 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: further tune ICMPv6 default rules according to RFC4890 ↵Jo-Philipp Wich2011-08-142-1/+17
| | | | | | (#9893) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27979 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: prevent redundant rules if multiple ports and multiple ↵Jo-Philipp Wich2011-07-261-7/+16
| | | | | | icmp types are given in a rule block for both icmp and other protocols git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27792 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: fix serious bug in state var handling (#9746)Jo-Philipp Wich2011-07-201-2/+2
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27711 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: rework state variable handling, use uci_toggle_state() ↵Jo-Philipp Wich2011-07-151-17/+24
| | | | | | where applicable and properly handle duplicates in add and del state helpers (#9152, #9710) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27618 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: make sure that -m mac is used with --mac-source, follow ↵Jo-Philipp Wich2011-07-071-1/+1
| | | | | | up to r27508 git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27519 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: also correct another variable missed in previous commitDaniel Dickinson2011-07-071-1/+1
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27508 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: fix wrong variable names for protocol command line ↵Daniel Dickinson2011-07-071-2/+2
| | | | | | parameter - were missed during r27500 git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27507 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall:Jo-Philipp Wich2011-07-063-29/+25
| | | | | | | | | | - solve scoping issues when multiple values are used, thanks Daniel Dickinson - ignore src_port/dest_port for proto icmp rules, ignore icmp_type for non-icmp rules - properly handle icmp when proto is given in numerical form (1, 58) - support negated icmp types git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27500 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: fix udp rules for tcpudp proto rules using src_port and ↵Daniel Dickinson2011-07-061-0/+7
| | | | | | dest_port after modification by the parsing of the tcp rule git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27469 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: fix port range quirk in previous commitJo-Philipp Wich2011-07-011-2/+2
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27335 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: properly handle negated ports in nat reflectionJo-Philipp Wich2011-07-011-4/+12
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27334 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: refine default ICMPv6 rules to better conform with ↵Jo-Philipp Wich2011-06-301-13/+2
| | | | | | RFC4890, do not forward link local ICMP message types, allow parameter problem git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27321 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: restore local port relocation ability from r26617Jo-Philipp Wich2011-06-301-3/+3
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27318 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall:Jo-Philipp Wich2011-06-305-73/+219
| | | | | | | | | | | | | - allow multiple ports, protocols, macs, icmp types per rule - implement "limit" and "limit_burst" options for rules - implement "extra" option to rules and redirects for passing arbritary flags to iptables - implement negations for "src_port", "dest_port", "src_dport", "src_mac", "proto" and "icmp_type" options - allow wildcard (*) "src" and "dest" options in rules to allow specifying "any" source or destination - validate symbolic icmp-type names against the selected iptables binary - properly handle forwarded ICMPv6 traffic in the default configuration git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27317 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: ensure that fw_get_subnet4() sets an empty value if no ↵Jo-Philipp Wich2011-06-161-0/+1
| | | | | | (valid) IPv4 addr was found git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27198 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: allow symbolic names of interfaces and aliases in ↵Jo-Philipp Wich2011-06-162-2/+27
| | | | | | masq_src and masq_dest git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27196 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: explictely mention network in default configuration, ↵Jo-Philipp Wich2011-05-201-0/+2
| | | | | | makes it less confusing git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26961 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: revert accidential committed changes from r26805Jo-Philipp Wich2011-05-021-39/+11
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26806 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [PATCH] firewall: provide examples of ssh port relocation on firewall and ↵Jo-Philipp Wich2011-05-022-11/+61
| | | | | | | | | | | | | | | | IPsec passthrough Two examples of potentially useful configurations (commented out, of course): (a) map the ssh service running on the firewall to 22001 externally, without modifying the configuration of the daemon itself. this allows port 22 on the WAN side to then be port-forwarded to a LAN-based machine if desired, or if not, simply obscures the port from external attack. (b) allow IPsec/ESP and ISAKMP (UDP-based key exchange) to happen by default. useful for most modern VPN clients you might have on your WAN. Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26805 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: prevent excessive uci state data aggregation (#9152)Jo-Philipp Wich2011-04-201-0/+2
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26740 3c298f89-4303-0410-b956-a3cf2f4a3e73
* firewall: allow local redirection of portsJo-Philipp Wich2011-04-121-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow a redirect like: config redirect option src 'wan' option dest 'lan' option src_dport '22001' option dest_port '22' option proto 'tcp' note the absence of the "dest_ip" field, meaning to terminate the connection on the firewall itself. This patch makes three changes: (1) moves the conntrack module into the conntrack package (but not any of the conntrack_* helpers). (2) fixes a bug where the wrong table is used when the "dest_ip" field is absent. (3) accepts incoming connections on the destination port on the input_ZONE table, but only for DNATted connections. In the above example, ssh -p 22 root@myrouter would fail from the outside, but: ssh -p 22001 root@myrouter would succeed. This is handy if: (1) you want to avoid ssh probes on your router, or (2) you want to redirect incoming connections on port 22 to some machine inside your firewall, but still want to allow firewall access from outside. Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26617 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: prevent duplicate values in interface state varsJo-Philipp Wich2011-03-301-1/+4
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26382 3c298f89-4303-0410-b956-a3cf2f4a3e73
* Keep firewall.user during sysupgradesTravis Kemen2011-03-201-0/+1
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26241 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: move include sourcing into a subshell, this makes the ↵Jo-Philipp Wich2011-03-021-2/+4
| | | | | | firewall init immune against exit in the include scripts git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25835 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: fix rule generation for v4 or v6 only zones (#8955)Jo-Philipp Wich2011-03-011-0/+3
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25813 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: fix wrong rule order if multiple protocols are usedJo-Philipp Wich2011-01-271-3/+3
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25179 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: insert SNAT and DNAT rules according to the order of the ↵Jo-Philipp Wich2010-10-082-2/+5
| | | | | | configuration file (#8052) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23318 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: also establish forward rules when setting up nat ↵Jo-Philipp Wich2010-10-031-6/+15
| | | | | | reflection, back out early if reflection is disabled git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23201 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: fix chain selection logic, option dest must be ignored ↵Jo-Philipp Wich2010-09-281-6/+5
| | | | | | for notrack targets git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23143 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: don't setup nat reflection if negations are usedJo-Philipp Wich2010-09-281-0/+3
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23142 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] fireall:Jo-Philipp Wich2010-09-284-27/+41
| | | | | | | | - support negations for src_ip, dest_ip, src_dip options in rules and redirects - add NOTRACK target to rule sections, allows to define fine grained notrack rules git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23141 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: protect iptables invocations with locks in interface ↵Jo-Philipp Wich2010-09-191-0/+4
| | | | | | ops, it might run concurrently due to hotplug invocations on network restart git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23090 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: make invalid redirects and duplicate zones non-fatal, ↵Jo-Philipp Wich2010-09-163-9/+11
| | | | | | print a notice and discard them git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23080 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: run ifdown hotplug events synchronized, fixes a ↵Jo-Philipp Wich2010-09-152-9/+7
| | | | | | racecondition on "ifup iface" when ifdown and ifup events are delivered with a small dealy git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23064 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: deliver remove hotplug events for all active ↵Jo-Philipp Wich2010-09-142-2/+41
| | | | | | zones/networks when restarting the firewall git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23062 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall:Jo-Philipp Wich2010-09-116-93/+113
| | | | | | | | | | - simplify masquerade rule setup - remove various subshell invocations - speedup fw() by not relying on xargs and pipes - rework SNAT support - attach to dest zone, use src_dip/src_dport as snat source git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23024 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall:Jo-Philipp Wich2010-09-052-4/+6
| | | | | | | | - fix possible endless loop when the family option is used for forwardings - only generate forwarding rules in SNAT redirect sections if src_dip is specified git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22938 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: introduce SNAT support for redirect sectionsJo-Philipp Wich2010-09-052-3/+18
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22937 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall: add option to disable NAT reflectionJo-Philipp Wich2010-09-041-0/+4
| | | | git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22908 3c298f89-4303-0410-b956-a3cf2f4a3e73
* [package] firewall:Jo-Philipp Wich2010-09-043-6/+30
| | | | | | | | - handle NAT reflection in firewall hotplug, solves synchronizing issues on boot - introduce masq_src and masq_dest options to limit zone masq to specific ip ranges, supports multiple subnets and negation git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22888 3c298f89-4303-0410-b956-a3cf2f4a3e73
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