diff --git a/seqs/fail2ban.sh b/seqs/fail2ban.sh
index bd1854a..cbf2b8f 100755
--- a/seqs/fail2ban.sh
+++ b/seqs/fail2ban.sh
@@ -1,14 +1,12 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-toolName=fail2ban
-toolDeps="$toolName"
-toolConfDir="/etc/fail2ban"
-toolConfLoc="$toolConfDir/jail.local"
-toolFilter="$toolConfDir/filter.d"
-toolJails="$toolConfDir/jail.d"
+readonly toolName=fail2ban
+readonly toolDeps="$toolName"
+readonly toolConfDir="/etc/fail2ban"
+readonly toolConfLoc="$toolConfDir/jail.local"
+readonly toolFilter="$toolConfDir/filter.d"
+readonly toolJails="$toolConfDir/jail.d"
 
-CONFIG_FILTER="${seq_dir:-}/filter.d"
-CONFIG_JAILS="${seq_dir:-}/jail.d"
 
 sq_aptOpt=
 #sq_config=0
@@ -36,6 +34,10 @@ seq_config() {
   ## e.g. error on unbound variables
   #disableErrorCheck
 
+  sq_configDir="${seq_origin:?}/${toolName:?}"
+  sq_configFilter="${sq_configDir}/filter.d"
+  sq_configJails="${sq_configDir}/jail.d"
+
   ## Return of non zero value will abort the sequence
   return 0
 }
@@ -63,15 +65,16 @@ ignoreip = 127.0.0.1/8 ::1"
 step_3_info() { echo "Add basic ip-blacklist"; }
 step_3_alias() { echo "blacklist"; }
 step_3() {
-  echo " [I] Adding filter"
+  local ipBlackList="${sq_configDir}/ip.blacklist"
+  local ipBlackListJail="$sq_configJails/ip-blacklist.conf"
+  local ipBlackListFilter="$sq_configFilter/ip-blacklist.conf"
+
+  info "Adding filter"
   addConf -s -f "$ipBlackListFilter" "$toolFilter/$(basename -- "$ipBlackListFilter")"
   addConf -s -f "$ipBlackListJail" "$toolJails/$(basename -- "$ipBlackListJail")"
   addConf -s -f "$ipBlackList" "$toolConfDir/$(basename -- "$ipBlackList")"
   exe service $toolName restart
 }
-ipBlackList="$CONFIG_DIR/ip.blacklist"
-ipBlackListJail="$CONFIG_JAILS/ip-blacklist.conf"
-ipBlackListFilter="$CONFIG_FILTER/ip-blacklist.conf"
 
 step_4_info() { echo "$toolName notes"; }
 step_4_alias() { echo "notes"; }
@@ -87,10 +90,10 @@ NOTES_EOF
 step_20_info() { echo "Install mailserver jail"; }
 step_20_alias() { echo "mail"; }
 step_20() {
+  local mailJail="$sq_configJails/mail.conf"
   addConf -s -f "$mailJail" "$toolJails/$(basename -- "$mailJail")"
   exe service $toolName restart
 }
-mailJail="$CONFIG_JAILS/mail.conf"
 
 # shellcheck disable=SC2034 # Appears unused
 readonly sqr_minVersion=16