include $(TOPDIR)/rules.mk
PKG_NAME:=banip
-PKG_VERSION:=0.7.1
-PKG_RELEASE:=2
+PKG_VERSION:=0.7.2
+PKG_RELEASE:=1
PKG_LICENSE:=GPL-3.0-or-later
PKG_MAINTAINER:=Dirk Brenken <dev@brenken.org>
## Main Features
* Support of the following fully pre-configured domain blocklist sources (free for private usage, for commercial use please check their individual licenses)
-| Source | Focus | Information |
-| :------------------ | :--------------------------: | :-------------------------------------------------------------------------------- |
-| asn | ASN block | [Link](https://asn.ipinfo.app) |
-| bogon | Bogon prefixes | [Link](https://team-cymru.com) |
-| country | Country blocks | [Link](https://www.ipdeny.com/ipblocks) |
-| darklist | Attacker IP blacklist | [Link](https://darklist.de) |
-| debl | Fail2ban IP blacklist | [Link](https://www.blocklist.de) |
-| doh | Public DoH-Provider | [Link](https://github.com/dibdot/DoH-IP-blocklists) |
-| drop | Spamhaus drop compilation | [Link](https://www.spamhaus.org) |
-| dshield | Dshield IP blocklist | [Link](https://www.dshield.org) |
-| edrop | Spamhaus edrop compilation | [Link](https://www.spamhaus.org) |
-| feodo | Feodo Tracker | [Link](https://feodotracker.abuse.ch) |
-| firehol1 | Firehol Level 1 compilation | [Link](https://iplists.firehol.org/?ipset=firehol_level1) |
-| firehol2 | Firehol Level 2 compilation | [Link](https://iplists.firehol.org/?ipset=firehol_level2) |
-| firehol3 | Firehol Level 3 compilation | [Link](https://iplists.firehol.org/?ipset=firehol_level3) |
-| firehol4 | Firehol Level 4 compilation | [Link](https://iplists.firehol.org/?ipset=firehol_level4) |
-| iblockads | Advertising blocklist | [Link](https://www.iblocklist.com) |
-| iblockspy | Malicious spyware blocklist | [Link](https://www.iblocklist.com) |
-| myip | Myip Live IP blacklist | [Link](https://myip.ms) |
-| nixspam | iX spam protection | [Link](http://www.nixspam.org) |
-| proxy | Firehol list of open proxies | [Link](https://iplists.firehol.org/?ipset=proxylists) |
-| ssbl | SSL botnet IP blacklist | [Link](https://sslbl.abuse.ch) |
-| threat | Emerging Threats | [Link](https://rules.emergingthreats.net) |
-| tor | Tor exit nodes | [Link](https://fissionrelays.net/lists) |
-| uceprotect1 | Spam protection level 1 | [Link](http://www.uceprotect.net/en/index.php) |
-| uceprotect2 | Spam protection level 2 | [Link](http://www.uceprotect.net/en/index.php) |
-| voip | VoIP fraud blocklist | [Link](http://www.voipbl.org) |
-| yoyo | Ad protection blacklist | [Link](https://pgl.yoyo.org/adservers/) |
+| Source | Focus | Information |
+| :------------------ | :----------------------------: | :-------------------------------------------------------------------------------- |
+| asn | ASN block | [Link](https://asn.ipinfo.app) |
+| bogon | Bogon prefixes | [Link](https://team-cymru.com) |
+| country | Country blocks | [Link](https://www.ipdeny.com/ipblocks) |
+| darklist | blocks suspicious attacker IPs | [Link](https://darklist.de) |
+| debl | Fail2ban IP blacklist | [Link](https://www.blocklist.de) |
+| doh | Public DoH-Provider | [Link](https://github.com/dibdot/DoH-IP-blocklists) |
+| drop | Spamhaus drop compilation | [Link](https://www.spamhaus.org) |
+| dshield | Dshield IP blocklist | [Link](https://www.dshield.org) |
+| edrop | Spamhaus edrop compilation | [Link](https://www.spamhaus.org) |
+| feodo | Feodo Tracker | [Link](https://feodotracker.abuse.ch) |
+| firehol1 | Firehol Level 1 compilation | [Link](https://iplists.firehol.org/?ipset=firehol_level1) |
+| firehol2 | Firehol Level 2 compilation | [Link](https://iplists.firehol.org/?ipset=firehol_level2) |
+| firehol3 | Firehol Level 3 compilation | [Link](https://iplists.firehol.org/?ipset=firehol_level3) |
+| firehol4 | Firehol Level 4 compilation | [Link](https://iplists.firehol.org/?ipset=firehol_level4) |
+| greensnow | blocks suspicious server IPs | [Link](https://greensnow.co) |
+| iblockads | Advertising blocklist | [Link](https://www.iblocklist.com) |
+| iblockspy | Malicious spyware blocklist | [Link](https://www.iblocklist.com) |
+| myip | Myip Live IP blacklist | [Link](https://myip.ms) |
+| nixspam | iX spam protection | [Link](http://www.nixspam.org) |
+| proxy | Firehol list of open proxies | [Link](https://iplists.firehol.org/?ipset=proxylists) |
+| ssbl | SSL botnet IP blacklist | [Link](https://sslbl.abuse.ch) |
+| threat | Emerging Threats | [Link](https://rules.emergingthreats.net) |
+| tor | Tor exit nodes | [Link](https://fissionrelays.net/lists) |
+| uceprotect1 | Spam protection level 1 | [Link](http://www.uceprotect.net/en/index.php) |
+| uceprotect2 | Spam protection level 2 | [Link](http://www.uceprotect.net/en/index.php) |
+| voip | VoIP fraud blocklist | [Link](http://www.voipbl.org) |
+| yoyo | Ad protection blacklist | [Link](https://pgl.yoyo.org/adservers/) |
* zero-conf like automatic installation & setup, usually no manual changes needed
* automatically selects one of the following download utilities: aria2c, curl, uclient-fetch, wget
| ban_maclist_timeout | option | - | individual maclist IPSet timeout |
| ban_whitelist_timeout | option | - | individual whitelist IPSet timeout |
| ban_blacklist_timeout | option | - | individual blacklist IPSet timeout |
+| ban_logterms | list | dropbear, sshd, luci, nginx | limit the log monitor to certain log terms |
+| ban_loglimit | option | 100 | parse only the last stated number of log entries for suspicious events |
+| ban_ssh_logcount | option | 3 | number of the failed ssh login repetitions of the same ip in the log before banning |
+| ban_luci_logcount | option | 3 | number of the failed luci login repetitions of the same ip in the log before banning |
+| ban_nginx_logcount | option | 5 | number of the failed nginx requests of the same ip in the log before banning |
## Examples
**list/edit banIP sources:**
fi
if [ -n "${iface}" ]
then
-
procd_add_interface_trigger "interface.*.up" "${iface}" "${ban_init}" "start"
fi
procd_add_reload_trigger "banip"
if [ -x "${ban_logread}" ]
then
f_log "info" "log/banIP service started"
- "${ban_logread}" -f | { grep -q "${ban_search}"; [ "${?}" = "0" ] && /etc/init.d/banip refresh; }
+ "${ban_logread}" -f | { grep -qE "${ban_search}"; [ "${?}" = "0" ] && { /etc/init.d/banip refresh; exit 0; }; }
else
f_log "err" "can't start log/banIP service"
fi
export LC_ALL=C
export PATH="/usr/sbin:/usr/bin:/sbin:/bin"
set -o pipefail
-ban_ver="0.7.1"
+ban_ver="0.7.2"
ban_enabled="0"
ban_mail_enabled="0"
ban_proto4_enabled="0"
ban_autowhitelist="1"
ban_logterms=""
ban_loglimit="100"
+ban_ssh_logcount="3"
+ban_luci_logcount="3"
+ban_nginx_logcount="5"
ban_mailactions=""
ban_search=""
ban_devs=""
ban_ipt6_restorecmd="$(command -v ip6tables-restore)"
ban_ipset_cmd="$(command -v ipset)"
ban_logger_cmd="$(command -v logger)"
+ban_logread="$(command -v logread)"
ban_allsources=""
ban_sources=""
ban_asns=""
#
if [ "${ban_enabled}" = "0" ]
then
- f_bgsrv "stop"
f_ipset "destroy"
f_jsnup "disabled"
f_rmbckp
f_rmtmp
+ f_bgsrv "stop"
f_log "info" "banIP is currently disabled, please set the config option 'ban_enabled' to '1' to use this service"
exit 0
fi
ban_target_dst="${ban_logchain_dst}"
fi
ban_localsources="${ban_localsources:-"maclist whitelist blacklist"}"
- ban_logterms="${ban_logterms:-"dropbear sshd luci"}"
+ ban_logterms="${ban_logterms:-"dropbear sshd luci nginx"}"
f_log "debug" "f_conf ::: ifaces: ${ban_ifaces:-"-"}, chain: ${ban_chain}, set_type: ${ban_global_settype}, log_chains (src/dst): ${ban_logchain_src}/${ban_logchain_dst}, targets (src/dst): ${ban_target_src}/${ban_target_dst}"
f_log "debug" "f_conf ::: lan_inputs (4/6): ${ban_lan_inputchains_4}/${ban_lan_inputchains_6}, lan_forwards (4/6): ${ban_lan_forwardchains_4}/${ban_lan_forwardchains_6}, wan_inputs (4/6): ${ban_wan_inputchains_4}/${ban_wan_inputchains_6}, wan_forwards (4/6): ${ban_wan_forwardchains_4}/${ban_wan_forwardchains_6}"
f_log "debug" "f_conf ::: local_sources: ${ban_localsources:-"-"}, extra_sources: ${ban_extrasources:-"-"}, log_terms: ${ban_logterms:-"-"}, log_prefixes (src/dst): ${ban_logprefix_src}/${ban_logprefix_dst}, log_options (src/dst): ${ban_logopts_src}/${ban_logopts_dst}"
{
local bg_pid action="${1}"
- bg_pid="$(pgrep -f "^/bin/sh ${ban_logservice}|logread -f|^grep -q Exit|^grep -q error|^grep -q luci" | awk '{ORS=" "; print $1}')"
- if [ -z "${bg_pid}" ] && [ "${action}" = "start" ] && [ -x "${ban_logservice}" ] && [ "${ban_monitor_enabled}" = "1" ]
+ bg_pid="$(pgrep -f "^/bin/sh ${ban_logservice}|${ban_logread}|^grep -qE Exit before auth|^grep -qE error: maximum|^grep -qE luci: failed|^grep -qE nginx" | awk '{ORS=" "; print $1}')"
+ if [ "${action}" = "start" ] && [ -x "${ban_logservice}" ] && [ "${ban_monitor_enabled}" = "1" ]
then
+ if [ -n "${bg_pid}" ]
+ then
+ kill -HUP "${bg_pid}" 2>/dev/null
+ fi
if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "dropbear")" ]
then
- ban_search="Exit before auth from\|"
+ ban_search="Exit before auth from|"
fi
if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "sshd")" ]
then
- ban_search="${ban_search}error: maximum authentication attempts exceeded\|sshd.*Connection closed by.*\[preauth\]\|"
+ ban_search="${ban_search}error: maximum authentication attempts exceeded|sshd.*Connection closed by.*\[preauth\]|"
fi
if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "luci")" ]
then
- ban_search="${ban_search}luci: failed login"
+ ban_search="${ban_search}luci: failed login|"
+ fi
+ if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "nginx")" ]
+ then
+ ban_search="${ban_search}nginx\[[0-9]+\]:.*\[error\].*open().*client: [[:alnum:].:]+"
fi
( "${ban_logservice}" "${ban_ver}" "${ban_search}" & )
- elif [ -n "${bg_pid}" ] && [ "${action}" = "stop" ]
+ elif [ "${action}" = "stop" ] && [ -n "${bg_pid}" ]
then
kill -HUP "${bg_pid}" 2>/dev/null
fi
#
f_main()
{
- local src_name src_url_4 src_rule_4 src_url_6 src_rule_6 src_comp src_rc src_ts log_raw log_merge hold err_file cnt_file cnt=0
+ local src_name src_url_4 src_rule_4 src_url_6 src_rule_6 src_comp src_rc src_ts log_raw log_merge log_ips log_count hold err_file cnt_file cnt=0
# prepare logfile excerpts (dropbear, sshd, luci)
#
if [ "${ban_autoblacklist}" = "1" ] || [ "${ban_monitor_enabled}" = "1" ]
then
- log_raw="$(logread -l "${ban_loglimit}")"
+ log_raw="$(${ban_logread} -l "${ban_loglimit}")"
if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "dropbear")" ]
then
- log_merge="$(printf "%s\n" "${log_raw}" | grep "Exit before auth from" | awk 'match($0,/<[0-9A-f:\.]+:/){printf "%s\n",substr($0,RSTART+1,RLENGTH-2)}')"
+ log_ips="$(printf "%s\n" "${log_raw}" | grep -E "Exit before auth from" | \
+ awk 'match($0,/<[0-9A-f:\.]+:/){printf "%s\n",substr($0,RSTART+1,RLENGTH-2)}' | awk '!seen[$NF]++' | awk '{ORS=" ";print $NF}')"
+ for ip in ${log_ips}
+ do
+ log_count="$(printf "%s\n" "${log_raw}" | grep -cE "Exit before auth from <${ip}")"
+ if [ "${log_count}" -ge "${ban_ssh_logcount}" ]
+ then
+ log_merge="${log_merge} ${ip}"
+ fi
+ done
fi
if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "sshd")" ]
then
- log_merge="${log_merge} $(printf "%s\n" "${log_raw}" | grep "error: maximum authentication attempts exceeded\|sshd.*Connection closed by.*\[preauth\]" | awk 'match($0,/[0-9A-f:\.]+ port/){printf "%s\n",substr($0,RSTART,RLENGTH-5)}')"
+ log_ips="$(printf "%s\n" "${log_raw}" | grep -E "error: maximum authentication attempts exceeded|sshd.*Connection closed by.*\[preauth\]" | \
+ awk 'match($0,/[0-9A-f:\.]+ port/){printf "%s\n",substr($0,RSTART,RLENGTH-5)}' | awk '!seen[$NF]++' | awk '{ORS=" ";print $NF}')"
+ for ip in ${log_ips}
+ do
+ log_count="$(printf "%s\n" "${log_raw}" | grep -cE "error: maximum authentication attempts exceeded.*${ip}|sshd.*Connection closed by.*${ip}.*\[preauth\]")"
+ if [ "${log_count}" -ge "${ban_ssh_logcount}" ]
+ then
+ log_merge="${log_merge} ${ip}"
+ fi
+ done
fi
if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "luci")" ]
then
- log_merge="${log_merge} $(printf "%s\n" "${log_raw}" | grep "luci: failed login on " | awk 'match($0,/[0-9A-f:\.]+$/){printf "%s\n",substr($0,RSTART,RLENGTH)}')"
+ log_ips="$(printf "%s\n" "${log_raw}" | grep -E "luci: failed login on " | \
+ awk 'match($0,/[0-9A-f:\.]+$/){printf "%s\n",substr($0,RSTART,RLENGTH)}' | awk '!seen[$NF]++' | awk '{ORS=" ";print $NF}')"
+ for ip in ${log_ips}
+ do
+ log_count="$(printf "%s\n" "${log_raw}" | grep -cE "luci: failed login on .*from ${ip}")"
+ if [ "${log_count}" -ge "${ban_luci_logcount}" ]
+ then
+ log_merge="${log_merge} ${ip}"
+ fi
+ done
+ fi
+ if [ -n "$(printf "%s\n" "${ban_logterms}" | grep -F "nginx")" ]
+ then
+ log_ips="$(printf "%s\n" "${log_raw}" | grep -oE "nginx\[[0-9]+\]:.*\[error\].*open().*client: [[:alnum:].:]+" | \
+ awk '!seen[$NF]++' | awk '{ORS=" ";print $NF}')"
+ for ip in ${log_ips}
+ do
+ log_count="$(printf "%s\n" "${log_raw}" | grep -cE "nginx\[[0-9]+\]:.*\[error\].*open().*client: ${ip}")"
+ if [ "${log_count}" -ge "${ban_nginx_logcount}" ]
+ then
+ log_merge="${log_merge} ${ip}"
+ fi
+ done
fi
- log_merge="$(printf "%s" "${log_merge}" | awk '{ORS=" ";print $0}')"
fi
# prepare new black- and whitelist entries
fi
done
f_log "info" "${ban_setcnt} IPSets with overall ${ban_cnt} IPs/Prefixes loaded successfully (${ban_sysver})"
- f_bgsrv "start"
f_jsnup
f_rmtmp
+ f_bgsrv "start"
}
# query ipsets for certain IP
f_load
case "${ban_action}" in
"stop")
- f_bgsrv "stop"
f_ipset "destroy"
f_jsnup "stopped"
f_rmbckp
+ f_bgsrv "stop"
;;
"restart")
- f_bgsrv "stop"
f_ipset "destroy"
f_rmbckp
f_env
"suspend")
if [ "${ban_status}" = "enabled" ]
then
- f_bgsrv "stop"
f_jsnup "running"
f_ipset "suspend"
f_jsnup "paused"
+ f_bgsrv "stop"
fi
f_rmtmp
;;
"resume")
if [ "${ban_status}" = "paused" ]
then
- f_bgsrv "stop"
f_env
f_main
else
fi
;;
"start"|"reload"|"refresh")
- f_bgsrv "stop"
f_env
f_main
;;
"darklist": {
"url_4": "https://darklist.de/raw.php",
"rule_4": "/^(([0-9]{1,3}\\.){3}(1?[0-9][0-9]?|2[0-4][0-9]|25[0-5])(\\/(1?[0-9]|2?[0-9]|3?[0-2]))?)([[:space:]]|$)/{print \"add darklist_4 \"$1}",
- "focus": "Attacker IP blacklist",
+ "focus": "Blocks suspicious attacker IPs",
"descurl": "https://darklist.de"
},
"debl": {
"focus": "Firehol Level 4 compilation",
"descurl": "https://iplists.firehol.org/?ipset=firehol_level4"
},
+ "greensnow": {
+ "url_4": "https://blocklist.greensnow.co/greensnow.txt",
+ "rule_4": "/^(([0-9]{1,3}\\.){3}(1?[0-9][0-9]?|2[0-4][0-9]|25[0-5])(\\/(1?[0-9]|2?[0-9]|3?[0-2]))?)([[:space:]]|$)/{print \"add greensnow_4 \"$1}",
+ "focus": "Blocks suspicious server IPs",
+ "descurl": "https://greensnow.co"
+ },
"iblockads": {
"url_4": "https://list.iblocklist.com/?list=dgxtneitpuvgqqcpfulq&fileformat=cidr&archiveformat=gz",
"rule_4": "/^(([0-9]{1,3}\\.){3}(1?[0-9][0-9]?|2[0-4][0-9]|25[0-5])(\\/(1?[0-9]|2?[0-9]|3?[0-2]))?)([[:space:]]|$)/{print \"add iblockads_4 \"$1}",
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