Did some more testing; "auto-add unsuccessful ssh login attempts to local blacklist" this feature seems to be non-functional as well for me.
Regarding "except blocking by iso country codes" in situations where multiple countries are added, the most recently added country, seems to be the only one blocked.
Wed Aug 1 22:20:25 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: country, mode: create, settype: net, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 8711/0/8711, time(s): 12
Wed Aug 1 22:20:25 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: country_6, mode: create, settype: net, setipv: inet6, ruletype: src+dst, count(sum/ip/cidr): 1771/0/1771, time(s): 12
Wed Aug 1 22:20:25 2018 user.info banIP-[0.0.1]: 18 IPSets with overall 165102 IPs/Prefixes loaded successfully (Linksys WRT1900ACS, Cantenna_22-06-18 v.1.15- Lede SNAPSHOT r6865+1-419238f)
Wed Aug 1 22:20:25 2018 user.debug banIP-[0.0.1]: f_jsnup ::: status: enabled, setcnt: 18, cnt: 165102
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_jsnup ::: status: running, setcnt: 0, cnt: 0
Wed Aug 1 22:20:46 2018 user.info banIP-[0.0.1]: start banIP processing (start)
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_main ::: fetch_util: /usr/bin/curl (built-in), iface: lan, dev: br-lan, mem_total: 511, mem_free: 336, max_queue: 32
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: -, mode: initial, chain: banIP, ruleset: input_wan_rule forwarding_wan_rule input_lan_rule forwarding_lan_rule, ruleset_6: input_wan_rule forwarding_wan_rule input_lan_rule forwarding_lan_rule
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_main ::: name: whitelist, src_on: 1
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_main ::: name: whitelist_6, src_on: 0
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: whitelist_6, mode: flush
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_main ::: name: blacklist, src_on: 1
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_main ::: name: blacklist_6, src_on: 0
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: blacklist_6, mode: flush
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_main ::: name: tor, src_on: 1
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_main ::: name: threat, src_on: 1
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_main ::: name: debl, src_on: 1
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_main ::: name: debl_6, src_on: 0
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: debl_6, mode: flush
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: blacklist, mode: create, settype: net, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 0/0/0, time(s): 0
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_main ::: name: myip, src_on: 1
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_main ::: name: myip_6, src_on: 0
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: myip_6, mode: flush
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_main ::: name: bogon, src_on: 1
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_main ::: name: bogon_6, src_on: 1
Wed Aug 1 22:20:46 2018 user.debug banIP-[0.0.1]: f_main ::: name: yoyo, src_on: 1
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: zeus, src_on: 1
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: sslbl, src_on: 1
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: ransomeware, src_on: 1
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: feodo, src_on: 1
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: dshield, src_on: 1
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: proxy, src_on: 1
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: iblocklist, src_on: 1
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: drop, src_on: 1
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: drop_6, src_on: 0
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: drop_6, mode: flush
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: edrop, src_on: 1
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: firehol1, src_on: 0
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: whitelist, mode: create, settype: net, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 1/0/1, time(s): 1
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: firehol1, mode: flush
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: firehol2, src_on: 0
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: firehol2, mode: flush
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: firehol3, src_on: 0
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: firehol3, mode: flush
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: firehol4, src_on: 0
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: firehol4, mode: flush
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: country, src_on: 1
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: country_6, src_on: 1
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: asn, src_on: 0
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: asn, mode: flush
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_main ::: name: asn_6, src_on: 0
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: asn_6, mode: flush
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: iblocklist, mode: create, settype: net, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 0/0/0, time(s): 0
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: edrop, mode: create, settype: net, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 112/0/112, time(s): 0
Wed Aug 1 22:20:47 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: dshield, mode: create, settype: net, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 20/0/20, time(s): 0
Wed Aug 1 22:20:48 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: threat, mode: create, settype: net, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 2412/1567/845, time(s): 2
Wed Aug 1 22:20:50 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: drop, mode: create, settype: net, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 825/0/825, time(s): 3
Wed Aug 1 22:20:50 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: ransomeware, mode: create, settype: ip, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 304/304/0, time(s): 3
Wed Aug 1 22:20:50 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: zeus, mode: create, settype: ip, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 108/108/0, time(s): 3
Wed Aug 1 22:20:50 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: feodo, mode: create, settype: ip, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 1464/1464/0, time(s): 3
Wed Aug 1 22:20:50 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: proxy, mode: create, settype: ip, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 2749/2749/0, time(s): 3
Wed Aug 1 22:20:51 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: yoyo, mode: create, settype: ip, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 11843/11843/0, time(s): 5
Wed Aug 1 22:20:51 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: sslbl, mode: create, settype: ip, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 99/99/0, time(s): 4
Wed Aug 1 22:20:51 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: tor, mode: create, settype: ip, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 920/920/0, time(s): 5
Wed Aug 1 22:20:52 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: bogon, mode: create, settype: net, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 3239/0/3239, time(s): 6
Wed Aug 1 22:20:52 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: myip, mode: create, settype: ip, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 3692/3692/0, time(s): 6
Wed Aug 1 22:20:52 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: debl, mode: create, settype: ip, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 27287/27287/0, time(s): 6
Wed Aug 1 22:20:56 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: country_6, mode: create, settype: net, setipv: inet6, ruletype: src+dst, count(sum/ip/cidr): 1771/0/1771, time(s): 9
Wed Aug 1 22:20:58 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: country, mode: create, settype: net, setipv: inet, ruletype: src+dst, count(sum/ip/cidr): 8711/0/8711, time(s): 11
Wed Aug 1 22:20:59 2018 user.debug banIP-[0.0.1]: f_ipset ::: name: bogon_6, mode: create, settype: net, setipv: inet6, ruletype: src+dst, count(sum/ip/cidr): 99545/0/99545, time(s): 13
Wed Aug 1 22:20:59 2018 user.info banIP-[0.0.1]: 18 IPSets with overall 165102 IPs/Prefixes loaded successfully (Linksys WRT1900ACS, Cantenna_22-06-18 v.1.15- Lede SNAPSHOT r6865+1-419238f)
Wed Aug 1 22:20:59 2018 user.debug banIP-[0.0.1]: f_jsnup ::: status: enabled, setcnt: 18, cnt: 165102