diff --git a/ISOconfig.sh b/ISOconfig.sh
index 133db4f..79d6a42 100755
--- a/ISOconfig.sh
+++ b/ISOconfig.sh
@@ -47,6 +47,8 @@ jq -r --arg PeerID "$PeerID" '.Identity.PeerID=$PeerID' ~/.ipfs/config > /tmp/co
 jq -r --arg PrivKEY "$PrivKEY" '.Identity.PrivKey=$PrivKEY' /tmp/config.tmp > /tmp/config.ipfs
 rm /tmp/config.tmp
 
+IPFSNODEID=$PeerID
+
 ## Directory transfered to IPFS
 IPFS_sync_directory="$HOME/.zen/miam"
 
@@ -80,16 +82,16 @@ sleep 10
 echo 'EXTEND ~/.bashrc'
 ~/.zen/astroport/.install/update_bashrc.sh
 
-mkdir -p ~/.zen/ipfs/.${PeerID}/G1SSB
-echo "" > ~/.zen/ipfs/.${PeerID}/tryme.addr
+mkdir -p ~/.zen/ipfs/.${IPFSNODEID}/G1SSB
+echo "" > ~/.zen/ipfs/.${IPFSNODEID}/tryme.addr
 for tryme in $(ipfs id | jq -r .Addresses[]);
 do
 	isLAN=$(echo $tryme | cut -f3 -d '/' | grep -E "(^127\.)|(^192\.168\.)|(^fd42\:)|(^10\.)|(^172\.1[6-9]\.)|(^172\.2[0-9]\.)|(^172\.3[0-1]\.)|(^::1$)|(^[fF][cCdD])/")
-	[[ ! $isLAN ]] && echo "$tryme" >> ~/.zen/ipfs/.${PeerID}/tryme.addr && echo "$tryme"
+	[[ ! $isLAN ]] && echo "$tryme" >> ~/.zen/ipfs/.${IPFSNODEID}/tryme.addr && echo "$tryme"
 done
 
 echo 'SEND ipfstryme to oasis'
-./jaklis.py send -d 2jQUH4HfHxdTesjCjvMCx1VJgA5AnpuvrWRq1swfRdsS -t "ipfstryme" -f ~/.zen/ipfs/.${PeerID}/tryme.addr
+./jaklis.py send -d 2jQUH4HfHxdTesjCjvMCx1VJgA5AnpuvrWRq1swfRdsS -t "ipfstryme" -f ~/.zen/ipfs/.${IPFSNODEID}/tryme.addr
 
 
 
diff --git a/zen/gchange_IPFS_swarm.sh b/zen/gchange_IPFS_swarm.sh
index f2ffee4..049c29c 100755
--- a/zen/gchange_IPFS_swarm.sh
+++ b/zen/gchange_IPFS_swarm.sh
@@ -8,6 +8,9 @@ MY_PATH="`dirname \"$0\"`"              # relative
 MY_PATH="`( cd \"$MY_PATH\" && pwd )`"  # absolutized and normalized
 ME="${0##*/}"
 
+# Connect to IPFS peers with bidirectionnal "like" (gchange friends)
+# 
+
 ########################################################################
 # \\///
 # qo-op
@@ -37,7 +40,8 @@ IPFSNODEID=$(ipfs id -f='<id>\n')
 
 # Force Strict #swarm0 !!?
 # ipfs bootstrap rm --all
-echo "" > /tmp/A_liking_me_NO_ipfstryme.txt
+echo "" > ~/.zen/A_allow_ip.txt
+echo "" > ~/.zen/A_liking_me_NO_ipfstryme.txt # contains "friends" with no "ipfstryme" incoming message
 liking_me_count=0
 friend_of_mine_count=0
 ########################################################################
@@ -51,16 +55,35 @@ do
     # 2. Searching "ipfstryme" message from friend_of_mine
     [[ $friend_of_mine != null ]] && echo "Connect to my friend $liking_me"  && friend_of_mine_count=$((friend_of_mine_count+1)) && ipfsadd=0 \
     &&  for peer in $(./jaklis.py read -n50 -j | jq -r --arg friendKEY "$liking_me" '.[] | select(.pubkey == $friendKEY)' | jq 'select(.title == "ipfstryme")' | jq -r '.content');
+		# ipfstryme message contains peer ipfs adresses
         do
+            ip=$(echo "$peer" | awk -F '/' '{print $3}')
+            echo $ip >> ~/.zen/A_allow_ip.txt
+            ipfsnodeid=$(echo "$peer" | awk -F '/' '{print $7}')
             # 3. liking_me friend_of_mine can join my swarm & bootstrap
             ipfs swarm connect $peer;
             ipfs bootstrap add $peer;
             ipfsadd=$((ipfsadd+1))
         done;
-    [[ $friend_of_mine != null && $ipfsadd == 0 ]] && echo "No ipfstryme message..." && echo "$liking_me" >> /tmp/A_liking_me_NO_ipfstryme.txt
+
+	# Friend of mine with no ipfstryme message
+    [[ $friend_of_mine != null && $ipfsadd == 0 ]] && echo "No ipfstryme message..." && echo "$liking_me" >> ~/.zen/A_liking_me_NO_ipfstryme.txt
+
     # 4. liking_me IS NOT a friend_of_mine!!
-    [[ $friend_of_mine == null ]] && echo "I am NOT LIKING $liking_me";
-    liking_me_count=$((liking_me_count+1))
+    if [[ $friend_of_mine == null ]]; then
+		echo "I am NOT LIKING $liking_me";
+		# GET its ~/.zen/ipfs IPNS sharing
+		ipfs get --output=/tmp/ipfs_swarm/ /ipns/$ipfsnodeid
+		g1pub=$(cat /tmp/ipfs_swarm/.$ipfsnodeid/G1SSB/_g1.pubkey)
+
+		### NO G1SSB node => BAN IP (must be sudo with no password !!)
+		[[ $g1pub == "" && ( $USER == "pi" || $USER == "xbian") ]] && "SHOULD BAN $liking_me" \
+		&& sudo fail2ban-client add recidive && sudo fail2ban-client set recidive banip $ip
+		
+		# Automatic level_1 like from oasis.astroport.com (add other default bootstrap)
+		[[ $G1PUB == "2jQUH4HfHxdTesjCjvMCx1VJgA5AnpuvrWRq1swfRdsS" ]] && ./jaklis.py like -p $g1pub -s 1
+	fi
+	liking_me_count=$((liking_me_count+1))
 done
 
 
@@ -71,7 +94,10 @@ My actual #SWARM0"
 ipfs swarm peers
 echo "__________________________________________"
 echo
-for line in $(cat /tmp/A_liking_me_NO_ipfstryme.txt | uniq); do
+## Send message to 
+for line in $(cat ~/.zen/A_liking_me_NO_ipfstryme.txt | uniq); do
+	echo "Liking ME, but no ipfstryme received..."
+	echo "cd ~/.zen/astroport/zen/jaklis"
     echo "./jaklis.py send -d $liking_me -t 'Astroport' -m 'Rejoins mon #Swarm0 sur https://qo-op.com'"
 done
 
diff --git a/zen/ipfs_SWARM_refresh.sh b/zen/ipfs_SWARM_refresh.sh
index 62bfbad..e26aeba 100755
--- a/zen/ipfs_SWARM_refresh.sh
+++ b/zen/ipfs_SWARM_refresh.sh
@@ -7,8 +7,17 @@
 MY_PATH="`dirname \"$0\"`"              # relative
 MY_PATH="`( cd \"$MY_PATH\" && pwd )`"  # absolutized and normalized
 ME="${0##*/}"
+########################################################################
+# This script is controling IPFS swarm
 
-## NOT WORKING !!!
+# Removes from peers not friends on gchange+
+# remember Nodes ID and IPs
+# add IPs to fail2ban
+
+# Sync friends peers ~/.zen/ipfs/ into ~/.zen/ipfs_swarm/.IPFSNODEID's/ directories
+# 
+
+## NOT WORKING !!! YET
 exit 1
 ########################################################################
 # \\///
@@ -16,8 +25,8 @@ exit 1
 ############# '$MY_PATH/$ME'
 ########################################################################
 # ex: ./'$ME'
-# SYNC IPFS SWARM PEERS SHARED DATA .12D3KooW****
-########################################################################'
+########################################################################
+# TODO remove because it is in~/.bashrc
 export YOU=$(ps auxf --sort=+utime | grep -w ipfs | grep -v -E 'color=auto|grep' | tail -n 1 | cut -d " " -f 1)
 export IPFSNODEID=$(ipfs id -f='<id>\n')
 ########################################################################
@@ -31,13 +40,30 @@ _|_|  | __) __)\/\//--\| \|  | | \|_| | \|___)| |
 '
 echo "I am $IPFSNODEID"
 
-## TODO CHANNELS SWARM INDEX COPY PROCEDURE
-## SIGNAL ~/.zen/g1sms/ TODO
+for peer in $(ipfs swarm peers);
+do
+    id=$(echo "$peer" | awk -F '/' '{print $7}')
+    ip=$(echo "$peer" | awk -F '/' '{print $3}')
+    nowdate=$(date)
+    timestamp=$(date -u +%s%N | cut -b1-13)
+
+    echo "$nowdate - $id - $ip"
+    foundIp=$(cat ~/.zen/allow_ip.txt | grep "$ip" | wc -l)
+    if [ "$foundIp" -eq 0 ] ; then
+      echo "${ip} of peer ${id} is not in the authorized ip list. ${peer} will be removed from the swarm"
+      ipfs swarm disconnect $peer
+      ipfs bootstrap rm $peer
+    else
+      ${path_script}/timeout.sh -t 30 ipfs get --output ${path_shared_files}/ /ipns/$id
+    fi
+done
 
 echo "PUBLISHING MY OWN /home/$YOU/.zen/ipfs/ to SWARM"
 [[ ! -d /home/$YOU/.zen/ipfs ]] && echo "ERROR : /home/$YOU/.zen/ipfs/ NOT FOUND" && exit 1
 IWALLETS=$(ipfs add -rHq /home/$YOU/.zen/ipfs | tail -n 1)
 NODEIPNS=$(ipfs name publish --quieter /ipfs/$IWALLETS)
+
+# Put my own data in /home/$YOU/.zen/ipfs_swarm/
 ipfs get --output=/home/$YOU/.zen/ipfs_swarm/ /ipns/$IPFSNODEID
 
 echo "REFRESHING /home/$YOU/.zen/ipfs_swarm/ from my SWARM peers"