diff --git a/net/adblock/Makefile b/net/adblock/Makefile
index a1eae1bd8..1c11afab1 100644
--- a/net/adblock/Makefile
+++ b/net/adblock/Makefile
@@ -6,7 +6,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=adblock
-PKG_VERSION:=3.8.12
+PKG_VERSION:=3.8.13
 PKG_RELEASE:=1
 PKG_LICENSE:=GPL-3.0-or-later
 PKG_MAINTAINER:=Dirk Brenken <dev@brenken.org>
diff --git a/net/adblock/files/README.md b/net/adblock/files/README.md
index ffe1c7869..84518aef6 100644
--- a/net/adblock/files/README.md
+++ b/net/adblock/files/README.md
@@ -25,8 +25,6 @@ A lot of people already use adblocker plugins within their desktop browsers, but
         * Daily updates, approx. 1.500 entries
     * [openphish](https://openphish.com)
         * Numerous updates on the same day, approx. 1.800 entries
-    * [ransomware tracker](https://ransomwaretracker.abuse.ch)
-        * Daily updates, approx. 150 entries
     * [reg_cn](https://easylist-downloads.adblockplus.org/easylistchina+easylist.txt)
         * Regional blocklist for China, daily updates, approx. 1.600 entries
     * [reg_cz](https://raw.githubusercontent.com/qxstyles/turris-hole-czech-block-list/master/turris-hole-czech-block-list)
@@ -51,7 +49,7 @@ A lot of people already use adblocker plugins within their desktop browsers, but
         * Weekly updates, approx. 21.000 entries
     * [ut_capitole](https://dsi.ut-capitole.fr/blacklists) (categories "cryptojacking" "ddos" "malware" "phishing" "warez" enabled by default)
         * Daily updates, approx. 64.000 entries (a short description of all categories can be found [online](https://dsi.ut-capitole.fr/blacklists/index_en.php))
-    * [whocares](http://someonewhocares.org)
+    * [whocares](https://someonewhocares.org)
         * Weekly updates, approx. 12.000 entries
     * [winhelp](http://winhelp2002.mvps.org)
         * Infrequent updates, approx. 15.000 entries
diff --git a/net/adblock/files/adblock.conf b/net/adblock/files/adblock.conf
index fad665ba4..478636ff2 100644
--- a/net/adblock/files/adblock.conf
+++ b/net/adblock/files/adblock.conf
@@ -67,12 +67,6 @@ config source 'openphish'
 	option adb_src_desc 'focus on phishing, numerous updates on the same day, approx. 2.400 entries'
 	option enabled '0'
 
-config source 'ransomware'
-	option adb_src 'https://ransomwaretracker.abuse.ch/downloads/RW_DOMBL.txt'
-	option adb_src_rset '/^([[:alnum:]_-]+\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower(\$1)}'
-	option adb_src_desc 'focus on ransomware by abuse.ch, numerous updates on the same day, approx. 1900 entries'
-	option enabled '0'
-
 config source 'reg_cn'
 	option adb_src 'https://easylist-downloads.adblockplus.org/easylistchina+easylist.txt'
 	option adb_src_rset 'BEGIN{FS=\"[|^]\"}/^\|\|([[:alnum:]_-]+\.)+[[:alpha:]]+\^("\\\$third-party")?$/{print tolower(\$3)}'
@@ -157,7 +151,7 @@ config source 'ut_capitole'
 	option enabled '0'
 
 config source 'whocares'
-	option adb_src 'http://someonewhocares.org/hosts/hosts'
+	option adb_src 'https://someonewhocares.org/hosts/hosts'
 	option adb_src_rset '/^127\.0\.0\.1[[:space:]]+([[:alnum:]_-]+\.)+[[:alpha:]]+([[:space:]]|$)/{print tolower(\$2)}'
 	option adb_src_desc 'broad blocklist, weekly updates, approx. 10.000 entries'
 	option enabled '0'
diff --git a/net/adblock/files/adblock.sh b/net/adblock/files/adblock.sh
index 70ab4fa8c..0d9a2bb23 100755
--- a/net/adblock/files/adblock.sh
+++ b/net/adblock/files/adblock.sh
@@ -13,7 +13,7 @@
 #
 LC_ALL=C
 PATH="/usr/sbin:/usr/bin:/sbin:/bin"
-adb_ver="3.8.12"
+adb_ver="3.8.13"
 adb_basever=""
 adb_enabled=0
 adb_debug=0
@@ -35,6 +35,7 @@ adb_dnsflush=0
 adb_blacklist="/etc/adblock/adblock.blacklist"
 adb_whitelist="/etc/adblock/adblock.whitelist"
 adb_rtfile="/tmp/adb_runtime.json"
+adb_sorttmpdir="/tmp"
 adb_portlist="53 853 5353"
 adb_report=0
 adb_repiface="br-lan"
@@ -235,6 +236,13 @@ f_env()
 		f_log "err" "backup directory '${adb_backupdir}' does not exist/is not mounted yet, please create the directory or raise the 'adb_triggerdelay' to defer the adblock start"
 	fi
 
+	# check sort temp directory
+	#
+	if [ ! -d "${adb_sorttmpdir}" ]
+	then
+		f_log "err" "sort temp directory '${adb_sorttmpdir}' does not exist/is not mounted yet, please create the directory or raise the 'adb_triggerdelay' to defer the adblock start"
+	fi
+
 	# check fetch utility
 	#
 	case "${adb_fetchutil}" in
@@ -258,7 +266,7 @@ f_env()
 			adb_fetchparm="${adb_fetchparm:-"-O"}"
 		;;
 		"curl")
-			adb_fetchparm="${adb_fetchparm:-"--connect-timeout 10 --insecure -o"}"
+			adb_fetchparm="${adb_fetchparm:-"--connect-timeout 10 --silent --show-error --location --insecure -o"}"
 			ssl_lib="built-in"
 		;;
 		"aria2c")
@@ -692,7 +700,7 @@ f_tld()
 		awk 'BEGIN{FS="."}{for(f=NF;f>1;f--)printf "%s.",$f;print $1}' "${source}" > "${temp_tld}"
 		if [ "${?}" -eq 0 ]
 		then
-			sort -u "${temp_tld}" > "${source}"
+			sort -T "${adb_sorttmpdir}" -u "${temp_tld}" > "${source}"
 			if [ "${?}" -eq 0 ]
 			then
 				cnt_srt="$(wc -l 2>/dev/null < "${source}")"
@@ -710,7 +718,7 @@ f_tld()
 			fi
 		fi
 	else
-		sort -u "${source}" > "${temp_tld}"
+		sort -T "${adb_sorttmpdir}" -u "${source}" > "${temp_tld}"
 		if [ "${?}" -eq 0 ]
 		then
 			mv -f "${temp_tld}" "${source}"
@@ -960,7 +968,7 @@ f_main()
 	mem_total="$(awk '/^MemTotal/ {print int($2/1000)}' "/proc/meminfo" 2>/dev/null)"
 	mem_free="$(awk '/^MemFree/ {print int($2/1000)}' "/proc/meminfo" 2>/dev/null)"
 	f_log "debug" "f_main   ::: dns: ${adb_dns}, fetch_util: ${adb_fetchinfo}, force_dns: ${adb_forcedns}, mem_total: ${mem_total:-0}, mem_free: ${mem_free:-0}, max_queue: ${adb_maxqueue}"
-	
+
 	# main loop
 	#
 	f_list blacklist
@@ -1179,8 +1187,8 @@ f_report()
 			if [ -s "${adb_repdir}/adb_report.raw" ]
 			then
 				awk '{printf("%s\t%s\t%s\t%s\t%s\t%s\n", $4,$5,$1,$2,$3,$4)}' "${adb_repdir}/adb_report.raw" | \
-					sort -ur | uniq -uf2 | awk '{currA=($6+0);currB=$6;currC=substr($6,length($6),1);
-					if(reqA==currB){reqA=0;printf("%s\t%s\n",d,$2)}else if(currC=="+"){reqA=currA;d=$3"\t"$4"\t"$5"\t"$2}}' | sort -ur > "${adb_repdir}/adb_report"
+					sort -T "${adb_sorttmpdir}" -ur | uniq -uf2 | awk '{currA=($6+0);currB=$6;currC=substr($6,length($6),1);
+					if(reqA==currB){reqA=0;printf("%s\t%s\n",d,$2)}else if(currC=="+"){reqA=currA;d=$3"\t"$4"\t"$5"\t"$2}}' | sort -T "${adb_sorttmpdir}" -ur > "${adb_repdir}/adb_report"
 			fi
 
 			if [ -s "${adb_repdir}/adb_report" ]
@@ -1188,9 +1196,9 @@ f_report()
 				total="$(wc -l < "${adb_repdir}/adb_report")"
 				blocked="$(awk '{if($5=="NX")print $4}' "${adb_repdir}/adb_report" | wc -l)"
 				percent="$(awk -v t="${total}" -v b="${blocked}" 'BEGIN{printf("%.2f %s\n",b/t*100, "%")}')"
-				rep_clients="$(awk '{print $3}' "${adb_repdir}/adb_report" | sort | uniq -c | sort -r | awk '{ORS=" ";if(NR<=10) printf("%s_%s ",$1,$2)}')"
-				rep_domains="$(awk '{if($5!="NX")print $4}' "${adb_repdir}/adb_report" | sort | uniq -c | sort -r | awk '{ORS=" ";if(NR<=10)printf("%s_%s ",$1,$2)}')"
-				rep_blocked="$(awk '{if($5=="NX")print $4}' "${adb_repdir}/adb_report" | sort | uniq -c | sort -r | awk '{ORS=" ";if(NR<=10)printf("%s_%s ",$1,$2)}')"
+				rep_clients="$(awk '{print $3}' "${adb_repdir}/adb_report" | sort -T "${adb_sorttmpdir}" | uniq -c | sort -T "${adb_sorttmpdir}" -r | awk '{ORS=" ";if(NR<=10) printf("%s_%s ",$1,$2)}')"
+				rep_domains="$(awk '{if($5!="NX")print $4}' "${adb_repdir}/adb_report" | sort -T "${adb_sorttmpdir}" | uniq -c | sort -T "${adb_sorttmpdir}" -r | awk '{ORS=" ";if(NR<=10)printf("%s_%s ",$1,$2)}')"
+				rep_blocked="$(awk '{if($5=="NX")print $4}' "${adb_repdir}/adb_report" | sort -T "${adb_sorttmpdir}" | uniq -c | sort -T "${adb_sorttmpdir}" -r | awk '{ORS=" ";if(NR<=10)printf("%s_%s ",$1,$2)}')"
 
 				> "${adb_repdir}/adb_report.json"
 				json_load_file "${adb_repdir}/adb_report.json" >/dev/null 2>&1