mu - Soul of a tiny new machine. More thorough tests → More comprehensible and rewrite-friendly software → More resilient society.

	Commit message (Expand)	Author	Age	Files	Lines
*	.	Kartik Agaram	2021-06-26	1	-4/+4
*	.	Kartik Agaram	2021-06-24	1	-3/+3
*	.	Kartik Agaram	2021-04-21	1	-5/+5
*	.	Kartik Agaram	2021-03-23	1	-0/+142

# Generated by iptables-save v1.8.3 on Mon Jul 8 00:42:39 2019 *security :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] COMMIT # Completed on Mon Jul 8 00:42:39 2019 # Generated by iptables-save v1.8.3 on Mon Jul 8 00:42:39 2019 *raw :PREROUTING ACCEPT [0:0] :OUTPUT ACCEPT [1:132] COMMIT # Completed on Mon Jul 8 00:42:39 2019 # Generated by iptables-save v1.8.3 on Mon Jul 8 00:42:39 2019 *nat :PREROUTING ACCEPT [0:0] :INPUT ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] COMMIT # Completed on Mon Jul 8 00:42:39 2019 # Generated by iptables-save v1.8.3 on Mon Jul 8 00:42:39 2019 *mangle :PREROUTING ACCEPT [0:0] :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [1:132] :POSTROUTING ACCEPT [0:0] COMMIT # Completed on Mon Jul 8 00:42:39 2019 # Generated by iptables-save v1.8.3 on Mon Jul 8 00:42:39 2019 *filter :INPUT DROP [0:0] :FORWARD DROP [0:0] :OUTPUT DROP [0:0] :blocker - [0:0] :cli_dns_in - [0:0] :cli_dns_out - [0:0] :cli_ftp_in - [0:0] :cli_ftp_out - [0:0] :cli_git_in - [0:0] :cli_git_out - [0:0] :cli_gpg_in - [0:0] :cli_gpg_out - [0:0] :cli_http_in - [0:0] :cli_http_out - [0:0] :cli_https_in - [0:0] :cli_https_out - [0:0] :cli_irc_in - [0:0] :cli_irc_out - [0:0] :cli_pops_in - [0:0] :cli_pops_out - [0:0] :cli_smtps_in - [0:0] :cli_smtps_out - [0:0] :cli_ssh_in - [0:0] :cli_ssh_out - [0:0] :srv_db_in - [0:0] :srv_db_out - [0:0] :srv_dhcp - [0:0] :srv_dns_in - [0:0] :srv_dns_out - [0:0] :srv_git_in - [0:0] :srv_git_out - [0:0] :srv_http_in - [0:0] :srv_http_out - [0:0] :srv_https_in - [0:0] :srv_https_out - [0:0] :srv_icmp - [0:0] :srv_rip - [0:0] :srv_ssh_in - [0:0] :srv_ssh_out - [0:0] -A INPUT -s 127.0.0.0/8 -d 127.0.0.0/8 -i lo -j ACCEPT -A INPUT -j blocker -A INPUT -s 10.0.0.254/32 -d 10.0.0.4/32 -i ens3 -j cli_dns_in -A INPUT -s 10.0.0.0/8 -d 10.0.0.4/32 -i ens3 -j srv_https_in -A INPUT -s 10.0.0.0/8 -d 10.0.0.4/32 -i ens3 -j srv_ssh_in -A INPUT -s 10.0.0.0/8 -d 10.0.0.4/32 -i ens3 -j srv_git_in -A INPUT -s 10.0.0.0/8 -d 10.0.0.4/32 -i ens3 -j cli_http_in -A INPUT -d 10.0.0.4/32 -i ens3 -j srv_https_in -A INPUT -d 10.0.0.4/32 -i ens3 -j cli_https_in -A INPUT -d 10.0.0.4/32 -i ens3 -j cli_http_in -A INPUT -d 10.0.0.4/32 -i ens3 -j srv_ssh_in -A INPUT -d 10.0.0.4/32 -i ens3 -j srv_git_in -A INPUT -j LOG --log-prefix "iptables: INPUT: " --log-level 7 -A FORWARD -j LOG --log-prefix "iptables: FORWARD: " --log-level 7 -A OUTPUT -s 127.0.0.0/8 -d 127.0.0.0/8 -o lo -j ACCEPT -A OUTPUT -j blocker -A OUTPUT -s 10.0.0.4/32 -d 10.0.0.254/32 -o ens3 -j cli_dns_out -A OUTPUT -s 10.0.0.4/32 -d 10.0.0.0/8 -o ens3 -j cli_http_out -A OUTPUT -s 10.0.0.4/32 -d 10.0.0.0/8 -o ens3 -j srv_https_out -A OUTPUT -s 10.0.0.4/32 -d 10.0.0.0/8 -o ens3 -j srv_ssh_out -A OUTPUT -s 10.0.0.4/32 -d 10.0.0.0/8 -o ens3 -j srv_git_out -A OUTPUT -s 10.0.0.4/32 -o ens3 -j cli_https_out -A OUTPUT -s 10.0.0.4/32 -o ens3 -j cli_http_out -A OUTPUT -s 10.0.0.4/32 -o ens3 -j srv_https_out -A OUTPUT -d 10.0.0.0/8 -o ens3 -j srv_ssh_out -A OUTPUT -d 10.0.0.0/8 -o ens3 -j srv_git_out -A OUTPUT -j LOG --log-prefix "iptables: OUTPUT: " --log-level 7 -A blocker -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop sync: " --log-level 7 -A blocker -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -j DROP -A blocker -f -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop frag: " -A blocker -f -j DROP -A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,PSH,URG -j DROP -A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,PSH,ACK,URG -j DROP -A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop null: " -A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP -A blocker -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop syn rst syn rs" -A blocker -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -j DROP -A blocker -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop xmas: " -A blocker -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -j DROP -A blocker -p tcp -m tcp --tcp-flags FIN,ACK FIN -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop fin scan: " -A blocker -p tcp -m tcp --tcp-flags FIN,ACK FIN -j DROP -A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,ACK,URG -j DROP -A blocker -j RETURN -A cli_dns_in -p udp -m udp --sport 53 --dport 1024:65535 -j ACCEPT -A cli_dns_in -j RETURN -A cli_dns_out -p udp -m udp --sport 1024:65535 --dport 53 -j ACCEPT -A cli_dns_out -j RETURN -A cli_ftp_in -p tcp -m tcp --sport 21 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A cli_ftp_in -p tcp -m tcp --sport 20 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT -A cli_ftp_in -p tcp -m tcp --sport 1024:65535 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A cli_ftp_in -j RETURN -A cli_ftp_out -p tcp -m tcp --sport 1024:65535 --dport 21 -m state --state NEW,ESTABLISHED -j ACCEPT -A cli_ftp_out -p tcp -m tcp --sport 1024:65535 --dport 20 -m state --state ESTABLISHED -j ACCEPT -A cli_ftp_out -p tcp -m tcp --sport 1024:65535 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT -A cli_ftp_out -j RETURN -A cli_git_in -p tcp -m tcp --sport 9418 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A cli_git_in -j RETURN -A cli_git_out -p tcp -m tcp --sport 1024:65535 --dport 9418 -m state --state NEW,ESTABLISHED -j ACCEPT -A cli_git_out -j RETURN -A cli_gpg_in -p tcp -m tcp --sport 11371 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A cli_gpg_in -j RETURN -A cli_gpg_out -p tcp -m tcp --sport 1024:65535 --dport 11371 -m state --state NEW,ESTABLISHED -j ACCEPT -A cli_gpg_out -j RETURN -A cli_http_in -p tcp -m tcp --sport 80 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A cli_http_in -p udp -m udp --sport 80 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A cli_http_in -j RETURN -A cli_http_out -p tcp -m tcp --sport 1024:65535 --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT -A cli_http_out -p udp -m udp --sport 1024:65535 --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT -A cli_http_out -j RETURN -A cli_https_in -p tcp -m tcp --sport 443 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A cli_https_in -p udp -m udp --sport 443 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A cli_https_in -j RETURN -A cli_https_out -p tcp -m tcp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT -A cli_https_out -p udp -m udp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT -A cli_https_out -j RETURN -A cli_irc_in -p tcp -m tcp --sport 6667 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A cli_irc_in -j RETURN -A cli_irc_out -p tcp -m tcp --sport 1024:65535 --dport 6667 -m state --state NEW,ESTABLISHED -j ACCEPT -A cli_irc_out -j RETURN -A cli_pops_in -p tcp -m tcp --sport 995 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A cli_pops_in -j RETURN -A cli_pops_out -p tcp -m tcp --sport 1024:65535 --dport 995 -m state --state NEW,ESTABLISHED -j ACCEPT -A cli_pops_out -j RETURN -A cli_smtps_in -p tcp -m tcp --sport 465 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A cli_smtps_in -j RETURN -A cli_smtps_out -p tcp -m tcp --sport 1024:65535 --dport 465 -m state --state NEW,ESTABLISHED -j ACCEPT -A cli_smtps_out -j RETURN -A cli_ssh_in -p tcp -m tcp --sport 2222 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A cli_ssh_in -p tcp -m tcp --sport 22 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A cli_ssh_in -j RETURN -A cli_ssh_out -p tcp -m tcp --sport 1024:65535 --dport 2222 -m state --state NEW,ESTABLISHED -j ACCEPT -A cli_ssh_out -p tcp -m tcp --sport 1024:65535 --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT -A cli_ssh_out -j RETURN -A srv_db_in -p tcp -m tcp --sport 1024:65535 --dport 5432 -m state --state NEW,ESTABLISHED -j ACCEPT -A srv_db_in -j RETURN -A srv_db_out -p tcp -m tcp --sport 5432 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A srv_db_out -j RETURN -A srv_dhcp -p udp -m udp --sport 68 --dport 67 -j ACCEPT -A srv_dhcp -p udp -m udp --sport 67 --dport 68 -j ACCEPT -A srv_dhcp -p udp -m udp --sport 67 --dport 67 -j ACCEPT -A srv_dhcp -j RETURN -A srv_dns_in -p udp -m udp --sport 1024:65535 --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT -A srv_dns_in -p tcp -m tcp --sport 1024:65535 --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT -A srv_dns_in -j RETURN -A srv_dns_out -p udp -m udp --sport 53 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT -A srv_dns_out -p tcp -m tcp --sport 53 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT -A srv_dns_out -j RETURN -A srv_git_in -p tcp -m tcp --sport 1024:65535 --dport 9418 -m state --state NEW,ESTABLISHED -j ACCEPT -A srv_git_in -j RETURN -A srv_git_out -p tcp -m tcp --sport 9418 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT -A srv_git_out -j RETURN -A srv_http_in -p tcp -m tcp --sport 1024:65535 --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT -A srv_http_in -j RETURN -A srv_http_out -p tcp -m tcp --sport 80 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT -A srv_http_out -j RETURN -A srv_https_in -p tcp -m tcp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT -A srv_https_in -j RETURN -A srv_https_out -p tcp -m tcp --sport 443 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT -A srv_https_out -j RETURN -A srv_icmp -p icmp -j ACCEPT -A srv_icmp -j RETURN -A srv_rip -p udp -m udp --sport 520 --dport 520 -j ACCEPT -A srv_rip -j RETURN -A srv_ssh_in -p tcp -m tcp --dport 2222 -m state --state NEW -m recent --set --name SSH --mask 255.255.255.255 --rsource -j ACCEPT -A srv_ssh_in -p tcp -m tcp --dport 2222 -m recent --update --seconds 60 --hitcount 4 --rttl --name SSH --mask 255.255.255.255 --rsource -j LOG --log-prefix "BLOCKED IP DROP SSH" -A srv_ssh_in -p tcp -m tcp --dport 2222 -m recent --update --seconds 60 --hitcount 4 --rttl --name SSH --mask 255.255.255.255 --rsource -j DROP -A srv_ssh_in -p tcp -m tcp --sport 1024:65535 --dport 2222 -m state --state ESTABLISHED -j ACCEPT -A srv_ssh_in -p tcp -m tcp --dport 22 -m state --state NEW -m recent --set --name SSH --mask 255.255.255.255 --rsource -j ACCEPT -A srv_ssh_in -p tcp -m tcp --dport 22 -m recent --update --seconds 60 --hitcount 4 --rttl --name SSH --mask 255.255.255.255 --rsource -j LOG --log-prefix "BLOCKED IP DROP SSH" -A srv_ssh_in -p tcp -m tcp --dport 22 -m recent --update --seconds 60 --hitcount 4 --rttl --name SSH --mask 255.255.255.255 --rsource -j DROP -A srv_ssh_in -p tcp -m tcp --sport 1024:65535 --dport 22 -m state --state ESTABLISHED -j ACCEPT -A srv_ssh_in -j RETURN -A srv_ssh_out -p tcp -m tcp --sport 2222 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A srv_ssh_out -p tcp -m tcp --sport 22 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT -A srv_ssh_out -j RETURN COMMIT # Completed on Mon Jul 8 00:42:39 2019