Also opened a bug on Github: https://github.com/ValveSoftware/Counter- Strike-Global-Offensive/issues/426
-- You received this bug notification because you are a member of Gufw Developers, which is subscribed to Gufw. https://bugs.launchpad.net/bugs/1484318 Title: Counter Strike Global Offensive - Multiplayer Status in Gufw: New Bug description: Hello, It's impossible to "Find" a multiplayer match with GUFW's current Steam rules. To reproduce: * Deny all inpput AND output; * Add ftp, http, smtp, smtps, openvpn, https, pop3, imap, and finally Steam rules; * Open CSGO, click "Play" and then "Find a Game"; * Select mode; * Wait until "Confirming Match" appears; * Wait until 30 seconds, the poing where a message will appear about failing to connect to match or something. # iptables-save: [code]# Generated by iptables-save v1.4.21 on Wed Aug 12 22:14:45 2015 *filter :INPUT DROP [76:2432] :FORWARD DROP [0:0] :OUTPUT DROP [732:43555] :ufw-after-forward - [0:0] :ufw-after-input - [0:0] :ufw-after-logging-forward - [0:0] :ufw-after-logging-input - [0:0] :ufw-after-logging-output - [0:0] :ufw-after-output - [0:0] :ufw-before-forward - [0:0] :ufw-before-input - [0:0] :ufw-before-logging-forward - [0:0] :ufw-before-logging-input - [0:0] :ufw-before-logging-output - [0:0] :ufw-before-output - [0:0] :ufw-logging-allow - [0:0] :ufw-logging-deny - [0:0] :ufw-not-local - [0:0] :ufw-reject-forward - [0:0] :ufw-reject-input - [0:0] :ufw-reject-output - [0:0] :ufw-skip-to-policy-forward - [0:0] :ufw-skip-to-policy-input - [0:0] :ufw-skip-to-policy-output - [0:0] :ufw-track-input - [0:0] :ufw-track-output - [0:0] :ufw-user-forward - [0:0] :ufw-user-input - [0:0] :ufw-user-limit - [0:0] :ufw-user-limit-accept - [0:0] :ufw-user-logging-forward - [0:0] :ufw-user-logging-input - [0:0] :ufw-user-logging-output - [0:0] :ufw-user-output - [0:0] -A INPUT -j ufw-before-logging-input -A INPUT -j ufw-before-input -A INPUT -j ufw-after-input -A INPUT -j ufw-after-logging-input -A INPUT -j ufw-reject-input -A INPUT -j ufw-track-input -A FORWARD -j ufw-before-logging-forward -A FORWARD -j ufw-before-forward -A FORWARD -j ufw-after-forward -A FORWARD -j ufw-after-logging-forward -A FORWARD -j ufw-reject-forward -A OUTPUT -j ufw-before-logging-output -A OUTPUT -j ufw-before-output -A OUTPUT -j ufw-after-output -A OUTPUT -j ufw-after-logging-output -A OUTPUT -j ufw-reject-output -A OUTPUT -j ufw-track-output -A ufw-after-input -p udp -m udp --dport 137 -j ufw-skip-to-policy-input -A ufw-after-input -p udp -m udp --dport 138 -j ufw-skip-to-policy-input -A ufw-after-input -p tcp -m tcp --dport 139 -j ufw-skip-to-policy-input -A ufw-after-input -p tcp -m tcp --dport 445 -j ufw-skip-to-policy-input -A ufw-after-input -p udp -m udp --dport 67 -j ufw-skip-to-policy-input -A ufw-after-input -p udp -m udp --dport 68 -j ufw-skip-to-policy-input -A ufw-after-input -m addrtype --dst-type BROADCAST -j ufw-skip-to-policy-input -A ufw-after-logging-forward -m limit --limit 3/min --limit-burst 10 -j LOG --log-prefix "[UFW BLOCK] " -A ufw-after-logging-input -m limit --limit 3/min --limit-burst 10 -j LOG --log-prefix "[UFW BLOCK] " -A ufw-after-logging-output -m limit --limit 3/min --limit-burst 10 -j LOG --log-prefix "[UFW BLOCK] " -A ufw-before-forward -j ufw-user-forward -A ufw-before-input -i lo -j ACCEPT -A ufw-before-input -m state --state INVALID -j ufw-logging-deny -A ufw-before-input -m state --state INVALID -j DROP -A ufw-before-input -p tcp -m tcp ! --tcp-flags SYN,RST,ACK SYN -m state --state NEW -j DROP -A ufw-before-input -p tcp -m tcp --sport 1:65535 --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP -A ufw-before-input -p tcp -m tcp --sport 1:65535 --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP -A ufw-before-input -s 127.0.0.2/32 -i enp0s7 -j DROP -A ufw-before-input -p icmp -m icmp --icmp-type any -j DROP -A ufw-before-input -p tcp -m tcp --dport 43 -j DROP -A ufw-before-input -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,PSH,URG -j DROP -A ufw-before-input -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,PSH,ACK,URG -j DROP -A ufw-before-input -f -j DROP -A ufw-before-input -p udp -m udp --dport 513 -j DROP -A ufw-before-input -p udp -m udp --dport 33434:33524 -j DROP -A ufw-before-input -m state --state RELATED,ESTABLISHED -j ACCEPT -A ufw-before-input -p udp -m udp --sport 67 --dport 68 -j ACCEPT -A ufw-before-input -j ufw-not-local -A ufw-before-input -d 224.0.0.251/32 -p udp -m udp --dport 5353 -j ACCEPT -A ufw-before-input -d 239.255.255.250/32 -p udp -m udp --dport 1900 -j ACCEPT -A ufw-before-input -j ufw-user-input -A ufw-before-output -o lo -j ACCEPT -A ufw-before-output -p tcp -m tcp ! --tcp-flags SYN,RST,ACK SYN -m state --state NEW -j DROP -A ufw-before-output -m state --state RELATED,ESTABLISHED -j ACCEPT -A ufw-before-output -j ufw-user-output -A ufw-logging-allow -m limit --limit 3/min --limit-burst 10 -j LOG --log-prefix "[UFW ALLOW] " -A ufw-logging-deny -m state --state INVALID -m limit --limit 3/min --limit-burst 10 -j RETURN -A ufw-logging-deny -m limit --limit 3/min --limit-burst 10 -j LOG --log-prefix "[UFW BLOCK] " -A ufw-not-local -m addrtype --dst-type LOCAL -j RETURN -A ufw-not-local -m addrtype --dst-type MULTICAST -j RETURN -A ufw-not-local -m addrtype --dst-type BROADCAST -j RETURN -A ufw-not-local -m limit --limit 3/min --limit-burst 10 -j ufw-logging-deny -A ufw-not-local -j DROP -A ufw-skip-to-policy-forward -j DROP -A ufw-skip-to-policy-input -j DROP -A ufw-skip-to-policy-output -j DROP -A ufw-user-limit -m limit --limit 3/min -j LOG --log-prefix "[UFW LIMIT BLOCK] " -A ufw-user-limit -j REJECT --reject-with icmp-port-unreachable -A ufw-user-limit-accept -j ACCEPT -A ufw-user-output -p tcp -m tcp --dport 21 -j ACCEPT -A ufw-user-output -p tcp -m tcp --dport 25 -j ACCEPT -A ufw-user-output -p udp -m udp --dport 53 -j ACCEPT -A ufw-user-output -p tcp -m tcp --dport 80 -j ACCEPT -A ufw-user-output -p tcp -m tcp --dport 110 -j ACCEPT -A ufw-user-output -p tcp -m tcp --dport 143 -j ACCEPT -A ufw-user-output -p tcp -m tcp --dport 443 -j ACCEPT -A ufw-user-output -p tcp -m tcp --dport 515 -j ACCEPT -A ufw-user-output -p tcp -m tcp --dport 465 -j ACCEPT -A ufw-user-output -p udp -m udp --dport 1194 -j ACCEPT -A ufw-user-output -p udp -m udp --dport 464 -j ACCEPT -A ufw-user-output -p tcp -m tcp --dport 993 -j ACCEPT -A ufw-user-output -p udp -m multiport --dports 27000:27015 -j ACCEPT -A ufw-user-output -p udp -m multiport --dports 27015:27030 -j ACCEPT -A ufw-user-output -p tcp -m multiport --dports 27014:27050 -j ACCEPT -A ufw-user-output -p udp -m udp --dport 4380 -j ACCEPT -A ufw-user-output -p udp -m udp --dport 3478 -j ACCEPT -A ufw-user-output -p udp -m udp --dport 4379 -j ACCEPT -A ufw-user-output -p tcp -m tcp --dport 27015 -j ACCEPT -A ufw-user-output -p udp -m udp --dport 9987 -j ACCEPT -A ufw-user-output -p tcp -m tcp --dport 10011 -j ACCEPT -A ufw-user-output -p udp -m udp --dport 10060 -j ACCEPT -A ufw-user-output -p tcp -m tcp --dport 30033 -j ACCEPT -A ufw-user-output -p udp -m udp --dport 30033 -j ACCEPT COMMIT # Completed on Wed Aug 12 22:14:45 2015 [/code] File /etc/ufw/before.rules (edited): [code]# # rules.before # # Rules that should be run before the ufw command line added rules. Custom # rules should be added to one of these chains: # ufw-before-input # ufw-before-output # ufw-before-forward # # Don't delete these required lines, otherwise there will be errors *filter :ufw-before-input - [0:0] :ufw-before-output - [0:0] :ufw-before-forward - [0:0] :ufw-not-local - [0:0] # End required lines # allow all on loopback -A ufw-before-input -i lo -j ACCEPT -A ufw-before-output -o lo -j ACCEPT # drop INVALID packets (logs these in loglevel medium and higher) -A ufw-before-input -m state --state INVALID -j ufw-logging-deny -A ufw-before-input -m state --state INVALID -j DROP # Drop TCP sessions opened prior to Firewall start -A ufw-before-input -p tcp -m tcp ! --tcp-flags SYN,RST,ACK SYN -m state --state NEW -j DROP -A ufw-before-output -p tcp -m tcp ! --tcp-flags SYN,RST,ACK SYN -m state --state NEW -j DROP # Drop packates that do not match any valid state -A ufw-before-input -p tcp -m tcp --sport 1:65535 --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP -A ufw-before-input -p tcp -m tcp --sport 1:65535 --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP # Anti-spoof -A ufw-before-input -i enp0s7 -s amarildo -j DROP # Anti ICMP -A ufw-before-input -p icmp -m icmp --icmp-type any -j DROP -A ufw-before-input -p tcp -m tcp --dport 43 -j DROP # Xmas scan -A ufw-before-input -p tcp -m tcp --tcp-flags ALL URG,PSH,FIN -j DROP -A ufw-before-input -p tcp -m tcp --tcp-flags ALL URG,ACK,PSH,RST,SYN,FIN -j DROP # IP fragments -A ufw-before-input -p all -f -j DROP # who -A ufw-before-input -p udp -m udp --dport 513 -j DROP # traceroute -A ufw-before-input -p udp -m udp --dport 33434:33524 -j DROP # quickly process packets for which we already have a connection -A ufw-before-input -m state --state RELATED,ESTABLISHED -j ACCEPT -A ufw-before-output -m state --state RELATED,ESTABLISHED -j ACCEPT # allow dhcp client to work -A ufw-before-input -p udp --sport 67 --dport 68 -j ACCEPT # # ufw-not-local # -A ufw-before-input -j ufw-not-local # if LOCAL, RETURN -A ufw-not-local -m addrtype --dst-type LOCAL -j RETURN # if MULTICAST, RETURN -A ufw-not-local -m addrtype --dst-type MULTICAST -j RETURN # if BROADCAST, RETURN -A ufw-not-local -m addrtype --dst-type BROADCAST -j RETURN # all other non-local packets are dropped -A ufw-not-local -m limit --limit 3/min --limit-burst 10 -j ufw-logging-deny -A ufw-not-local -j DROP # allow MULTICAST mDNS for service discovery (be sure the MULTICAST line above # is uncommented) -A ufw-before-input -p udp -d 224.0.0.251 --dport 5353 -j ACCEPT # allow MULTICAST UPnP for service discovery (be sure the MULTICAST line above # is uncommented) -A ufw-before-input -p udp -d 239.255.255.250 --dport 1900 -j ACCEPT # don't delete the 'COMMIT' line or these rules won't be processed COMMIT [/code] Regards, Amarildo To manage notifications about this bug go to: https://bugs.launchpad.net/gui-ufw/+bug/1484318/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~gufw-developers Post to : gufw-developers@lists.launchpad.net Unsubscribe : https://launchpad.net/~gufw-developers More help : https://help.launchpad.net/ListHelp
