* fix a processing race condition
* it's now possible to disable the icmp/syn/udp safeguards in pre-routing - set the threshold to '0'.
Signed-off-by: Dirk Brenken <dev@brenken.org>
* fixed possible Set search race condition (initiated from LuCI frontend)
* fixed the "no result" Set search problem in LuCI
* removed abandoned feeds: spamhaus edrop (was merged with spamhaus drop)
Signed-off-by: Dirk Brenken <dev@brenken.org>
* added a DDoS protection rules in a new pre-routing chain to prevent common ICMP, UDP and SYN flood attacks and drop spoofed tcp flags & invalid conntrack packets, flood tresholds are configured via 'ban_icmplimit' (default 10/s), 'ban_synlimit' (default 10/s) and 'ban_udplimit' (default 100/s)
* the new pre-routing rules are tracked via named nft counters and are part of the standard reporting, set 'ban_logprerouting' accordingly
* block countries dynamically by Regional Internet Registry (RIR)/regions, e.g. all countries related to ARIN. Supported service regions are: AFRINIC, ARIN, APNIC, LACNIC and RIPE, set 'ban_region' accordingly
* it's now possible to always allow certain protocols/destination ports in wan-input and wan-forward chains, set 'ban_allowflag' accordingly - e.g. ' tcp 80 443-445'
* filter/convert possible windows line endings of external feeds during processing
* the cpu core autodetection is now limited to max. 16 cores in parallel, set 'ban_cores' manually to overrule this limitation
* set the default nft priority to -100 for banIP input/forward chains (pre-routing is set to -150)
* update readme
* a couple of bugfixes & performance improvements
* removed abandoned feeds: darklist, ipblackhole
* added new feeds: becyber, ipsum, pallebone, debl (changed URL)
* requires a LuCI frontend update as well (separate PR/commit)
Signed-off-by: Dirk Brenken <dev@brenken.org>
* add support for destination port & protocol limitations for external feeds (see readme for details),
useful for lan-forward ad- or DoH-blocking, e.g. only tcp ports 80 and 443
* add turris sentinel blocklist feed
* update readme
Signed-off-by: Dirk Brenken <dev@brenken.org>
* rework the device/interface auto-detection (only layer-3 network devices will be detetcted correctly), disable the auto-detection e.g. for special tunnel interfaces
* supports now full gawk (preferred, if installed) and busybox awk
* raise the default boot timeout to 20 seconds (if 'ban_triggerdelay' is not set)
* various small fixes and improvements
* readme update
Signed-off-by: Dirk Brenken <dev@brenken.org>
* provides an option to transfer log events on remote servers via cgi interface (disabled by default), see readme for details
* refine the allowlist check to support IP intervals as well before adding an IP to the blocklist
Signed-off-by: Dirk Brenken <dev@brenken.org>
* the log file monitor now supports standard log files used by other log daemons like syslog-ng
Set 'ban_logreadfile' accordingly, by default it points to /var/log/messages
* removed logd dependency, closes#21932
Signed-off-by: Dirk Brenken <dev@brenken.org>
* drop packets silently on input and forwardwan chains or actively reject the traffic, set 'ban_blocktype' accordingly
* optimized banIP boot/reload handling
* removed pppoe quirk in device detection
* small fixes and optimizations
Signed-off-by: Dirk Brenken <dev@brenken.org>
* supports allowing / blocking of certain VLAN forwards in segregated network environments,
set 'ban_vlanallow', ''ban_vlanblock' accordingly
* simplified the code/JSON to generate/parse the banIP status
* enclose nft related devices in quotation marks , e.g. to handle devices which starts with a number '10g-1'
* made the new vlan options available to LuCI (separate commit)
Signed-off-by: Dirk Brenken <dev@brenken.org>
* prevent superflous etag function calls during start action (on start backups will be used anyway)
* changed the ipthreat feed download URL (load a compressed file variant to save bandwidth)
Signed-off-by: Dirk Brenken <dev@brenken.org>
* added HTTP ETag or entity tag support to download only ressources that have been updated on the server side,
to save bandwith and speed up banIP reloads
* added 4 new feeds: binarydefense, bruteforceblock, etcompromised, ipblackhole (see readme)
* updated the readme
Signed-off-by: Dirk Brenken <dev@brenken.org>
* process local lists in strict sequential order to prevent possible race conditions
* support ranges in the IP search, too
* fix some minor search issues
Signed-off-by: Dirk Brenken <dev@brenken.org>
* Support MAC-/IPv4/IPv6 ranges in CIDR notation
* Support concatenation of local MAC addresses with IPv4/IPv6 addresses, e.g. to enforce dhcp assignments (see readme)
* small fixes & cosmetics
* update readme
Signed-off-by: Dirk Brenken <dev@brenken.org>
* Optionally auto-add entire subnets to the blocklist Sets based on an additional RDAP request with the
monitored suspicious IP, set 'ban_autoblocksubnet' accordingly (disabled by default).
For more information regarding RDAP see
https://www.ripe.net/manage-ips-and-asns/db/registration-data-access-protocol-rdap for reference.
* small fixes & cosmetics
* update readme
Signed-off-by: Dirk Brenken <dev@brenken.org>
* made the fetch utility function/autodetection more bullet proof
* no longer add suspicious IPs to the local blocklist when the nft set timeout has been set
* restructure internal functions & small fixes
Signed-off-by: Dirk Brenken <dev@brenken.org>
* add support for external allowlist URLs to reference additional IPv4/IPv6 feeds, set 'ban_allowurl' accordingly
* make download retries in case of an error configurable, set 'ban_fetchretry' accordingly (default 5)
* small fixes
* readme update
* LuCI update (separate commit)
Signed-off-by: Dirk Brenken <dev@brenken.org>
* add housekeeping to the autoallow function, only the current uplink will be held
* fix small issues
* cosmetics
Signed-off-by: Dirk Brenken <dev@brenken.org>
* add the option 'ban_autoallowuplink' to limit the uplink autoallow function: 'subnet' (default), 'ip' or 'disable'
Signed-off-by: Dirk Brenken <dev@brenken.org>
* add support for a custom feeds file (/etc/banip/banip.custom.feeds). Add new or edit existing banIP feeds on your own with the integrated custom feed editor (LuCI-component
* add a new option 'ban_blockpolicy' to overrule the default bblock policy (block all chains), see readme for details
* change the feed file format and add a new ipthreat feed, see readme
* refine (debug) logging
* multiple small fixes and improvements
* readme update
* luci update (separate commit)
Signed-off-by: Dirk Brenken <dev@brenken.org>
* add the new init command 'lookup', to lookup the IPs of domain names in the local lists and update them
* significant acceleration of the domain lookup function
* multiple small fixes and improvements
* readme update
* luci update (separate commit)
Signed-off-by: Dirk Brenken <dev@brenken.org>
* fixed missing version number when installed as separate package (not in build)
* fixed cornercase init and mailing issues
* sorted Country list by country names ascending
* fixed some shellcheck findings
Signed-off-by: Dirk Brenken <dev@brenken.org>
* raise max. timeouts from 10 to 30 seconds to stabilize the autodetection on slow hardware
* made interface trigger action configurable, set 'ban_triggeraction' accordingly (default: 'start')
* made E-Mail notifications configurable to receive status E-Mais with every banIP run,
set 'ban_mailnotification' accordingly (default: disabled)
* small fixes & optimizations
* readme update
Signed-off-by: Dirk Brenken <dev@brenken.org>
* fix the auto-detection for pppoe and 6in4 tunnel interfaces
* add the new 'ban_nftpolicy' option to expose the nft set policy, values: memory (default), performance
* add the new 'ban_nftlogevel' option to expose the nft syslog level, values: emerg, alert, crit, err, warn (default),
notice, info, debug, audit
* status optimizations
* logging optimizations
* update the readme
Signed-off-by: Dirk Brenken <dev@brenken.org>
* major performance improvements: clean-up/optimize all nft calls
* add a new "ban_reportelements" option,
to disable the (time consuming) Set element count in the report (enabled by default)
* update the readme
Signed-off-by: Dirk Brenken <dev@brenken.org>
* finalized the LuCI frontend preparation (this is the minmal version to use the forthcoming LuCI frontend)
* added a Set survey, to list all elements of a certain set
* changed the default logterm for asterisk
* update the readme
Signed-off-by: Dirk Brenken <dev@brenken.org>
* add oisdbig as new feed
* LuCI frontend preparation:
- the json feed file points always to /etc/banip/banip.feeds (and is no longer compressed)
- supply country list in /etc/banip/banip.countries
* update readme
Signed-off-by: Dirk Brenken <dev@brenken.org>
* fix a potential race condition during initial startup (after flash) which leads to a "disabled" service
Signed-off-by: Dirk Brenken <dev@brenken.org
Signed-off-by: Dirk Brenken <dev@brenken.org>
- complete rewrite of banIP to support nftables
- all sets are handled in a separate nft table/namespace 'banIP'
- for incoming blocking it uses the inet input hook, for outgoing blocking it uses the inet forward hook
- full IPv4 and IPv6 support
- supports nft atomic set loading
- supports blocking by ASN numbers and by iso country codes
- 42 preconfigured external feeds are available, plus local allow- and blocklist
- supports local allow- and blocklist (IPv4, IPv6, CIDR notation or domain names)
- auto-add the uplink subnet to the local allowlist
- provides a small background log monitor to ban unsuccessful login attempts in real-time
- the logterms for the log monitor service can be freely defined via regex
- auto-add unsuccessful LuCI, nginx, Asterisk or ssh login attempts to the local blocklist
- fast feed processing as they are handled in parallel as background jobs
- per feed it can be defined whether the input chain or the forward chain should be blocked (default: both chains)
- automatic blocklist backup & restore, the backups will be used in case of download errors or during startup
- automatically selects one of the following download utilities with ssl support: aria2c, curl, uclient-fetch or wget
- supports a 'allowlist only' mode, this option restricts internet access from/to a small number of secure websites/IPs
- provides comprehensive runtime information
- provides a detailed set report
- provides a set search engine for certain IPs
- feed parsing by fast & flexible regex rulesets
- minimal status & error logging to syslog, enable debug logging to receive more output
- procd based init system support (start/stop/restart/reload/status/report/search)
- procd network interface trigger support
- ability to add new banIP feeds on your own
- add a readme with all available options/feeds to customize your installation to your needs
- a new LuCI frontend will be available in due course
Signed-off-by: Dirk Brenken <dev@brenken.org>
Dirk Brenken