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fixed fail2ban not starting at 1st boot

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This commit is contained in:
Tanguy MAZE 2019-01-07 13:29:32 +01:00
parent eb12b8b347
commit 7e41f55ffd
4 changed files with 85 additions and 66 deletions
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102
files/firewall.conf
View File

@ -1,64 +1,56 @@
# Generated by iptables-save v1.6.0 on Sun Jan 6 13:34:57 2019
*raw
:PREROUTING ACCEPT [0:0]
:OUTPUT ACCEPT [8:590]
COMMIT
# Completed on Sun Jan 6 13:34:57 2019
# Generated by iptables-save v1.6.0 on Sun Jan 6 13:34:57 2019
*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT DROP [32:2432]
-A INPUT -p tcp -m multiport --dports 22,80,443 -m tcp -m state --state INVALID,UNTRACKED -j SYNPROXY --sack-perm --timestamp --wscale 7 --mss 1460
-A INPUT -p tcp -m multiport --dports 22,80,443 -m tcp -m state --state INVALID -j DROP
-A INPUT -p tcp -m connlimit --connlimit-above 40 --connlimit-mask 32 --connlimit-saddr -j REJECT --reject-with tcp-reset
-A INPUT -p tcp -m conntrack --ctstate NEW -m limit --limit 60/sec --limit-burst 10 -j ACCEPT
-A INPUT -p tcp -m conntrack --ctstate NEW -j DROP
-A INPUT -p tcp -m tcp -m conntrack --ctstate INVALID,UNTRACKED -j SYNPROXY --sack-perm --timestamp --wscale 7 --mss 1460
-A INPUT -m conntrack --ctstate INVALID -j DROP
-A INPUT -p tcp -m tcp --dport 2230 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 443 -j ACCEPT
-A INPUT -p tcp -m tcp --sport 80 -m conntrack --ctstate ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m tcp --sport 443 -m conntrack --ctstate ESTABLISHED -j ACCEPT
-A INPUT -p udp -m udp --sport 53 -m conntrack --ctstate ESTABLISHED -j ACCEPT
-A OUTPUT -p tcp -m tcp --sport 2230 -j ACCEPT
-A OUTPUT -p tcp -m tcp --sport 80 -j ACCEPT
-A OUTPUT -p tcp -m tcp --sport 443 -j ACCEPT
-A OUTPUT -p tcp -m tcp --dport 80 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
-A OUTPUT -p tcp -m tcp --dport 443 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
-A OUTPUT -p udp -m udp --dport 53 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
-A INPUT -m recent --rcheck --seconds 86400 --name portscan --mask 255.255.255.255 --rsource -j DROP
-A INPUT -m recent --remove --name portscan --mask 255.255.255.255 --rsource
-A INPUT -p tcp -m multiport --dports 25,445,1433,3389 -m recent --set --name portscan --mask 255.255.255.255 --rsource -j DROP
COMMIT
# Completed on Sun Jan 6 13:34:57 2019
# Generated by iptables-save v1.6.0 on Sun Jan 6 13:34:57 2019
# Generated by iptables-save v1.6.0 on Mon Dec 10 17:46:32 2018
*mangle
:PREROUTING ACCEPT [63:103118]
:INPUT ACCEPT [63:103118]
:PREROUTING ACCEPT [356:24388]
:INPUT ACCEPT [356:24388]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [100:6885]
:POSTROUTING ACCEPT [68:4453]
:OUTPUT ACCEPT [246:65684]
:POSTROUTING ACCEPT [246:65684]
-A PREROUTING -p icmp -j DROP
-A PREROUTING -m conntrack --ctstate INVALID -j DROP
-A PREROUTING -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m conntrack --ctstate NEW -j DROP
-A PREROUTING -p tcp ! --syn -m conntrack --ctstate NEW -j DROP
-A PREROUTING -f -j DROP
-A PREROUTING -p tcp -m conntrack --ctstate NEW -m tcpmss ! --mss 536:65535 -j DROP
-A PREROUTING -s 127.0.0.0/8 ! -i lo -j DROP
-A PREROUTING -s 192.168.99.0/30 ! -i enp0s8 -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,RST FIN,RST -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,ACK FIN -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags ACK,URG URG -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,ACK FIN -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags PSH,ACK PSH -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,PSH,ACK,URG -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,PSH,URG -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,PSH,URG -j DROP
-A PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,ACK,URG -j DROP
-A PREROUTING -p tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP
-A PREROUTING -p tcp --tcp-flags FIN,SYN FIN,SYN -j DROP
-A PREROUTING -p tcp --tcp-flags SYN,RST SYN,RST -j DROP
-A PREROUTING -p tcp --tcp-flags FIN,RST FIN,RST -j DROP
-A PREROUTING -p tcp --tcp-flags FIN,ACK FIN -j DROP
-A PREROUTING -p tcp --tcp-flags ACK,URG URG -j DROP
-A PREROUTING -p tcp --tcp-flags ACK,FIN FIN -j DROP
-A PREROUTING -p tcp --tcp-flags ACK,PSH PSH -j DROP
-A PREROUTING -p tcp --tcp-flags ALL ALL -j DROP
-A PREROUTING -p tcp --tcp-flags ALL NONE -j DROP
-A PREROUTING -p tcp --tcp-flags ALL FIN,PSH,URG -j DROP
-A PREROUTING -p tcp --tcp-flags ALL SYN,FIN,PSH,URG -j DROP
-A PREROUTING -p tcp --tcp-flags ALL SYN,RST,ACK,FIN,URG -j DROP
COMMIT
# Completed on Sun Jan 6 13:34:57 2019
# Completed on Mon Dec 10 17:46:32 2018
# Generated by iptables-save v1.6.0 on Sat Nov 17 14:32:27 2018
*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT DROP [0:0]
-A INPUT -p tcp -m connlimit --connlimit-above 40 -j REJECT --reject-with tcp-reset
-A INPUT -p tcp -m conntrack --ctstate NEW -m limit --limit 60/s --limit-burst 10 -j ACCEPT
-A INPUT -p tcp -m conntrack --ctstate NEW -j DROP
-A INPUT -p tcp -m tcp -m conntrack --ctstate INVALID,UNTRACKED -j SYNPROXY --sack-perm --timestamp --wscale 7 --mss 1460
-A INPUT -m conntrack --ctstate INVALID -j DROP
-A INPUT -p tcp -m tcp --dport 2230 -j ACCEPT
-A INPUT -p tcp --dport 80 -j ACCEPT
-A INPUT -p tcp --dport 443 -j ACCEPT
-A INPUT -p tcp -m tcp --sport 80 -m conntrack --ctstate ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m tcp --sport 443 -m conntrack --ctstate ESTABLISHED -j ACCEPT
-A INPUT -p udp -m udp --sport 53 -m conntrack --ctstate ESTABLISHED -j ACCEPT
-A OUTPUT -p tcp -m tcp --sport 2230 -j ACCEPT
-A OUTPUT -p tcp --sport 80 -j ACCEPT
-A OUTPUT -p tcp --sport 443 -j ACCEPT
-A OUTPUT -p tcp -m tcp --dport 80 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
-A OUTPUT -p tcp -m tcp --dport 443 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
-A OUTPUT -p udp -m udp --dport 53 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
-N port-scanning
-A port-scanning -p tcp --tcp-flags SYN,ACK,FIN,RST RST -m limit --limit 1/s --limit-burst 2 -j RETURN
-A port-scanning -j DROP
COMMIT
# Completed on Sat Nov 17 14:32:27 2018

11
files/jail.local
View File

@ -12,14 +12,3 @@ enabled = true
[sshd-ddos]
enabled = false
#
# HTTP servers
#
[apache-auth]
enabled = true
[apache-badbots]
# Ban hosts which agent identifies spammer robots crawling the web
# for email addresses. The mail outputs are buffered.
enabled = true

25
files/jail.local2 Normal file
View File

@ -0,0 +1,25 @@
#
# JAILS
#
#
# SSH servers
#
[sshd]
enabled = true
[sshd-ddos]
enabled = false
#
# HTTP servers
#
[apache-auth]
enabled = true
[apache-badbots]
# Ban hosts which agent identifies spammer robots crawling the web
# for email addresses. The mail outputs are buffered.
enabled = true

13
provision.yml
View File

@ -81,8 +81,21 @@
- name: "Activate ssl module"
command: "a2enmod ssl"
tags: [ "website" ]
- name: "Upload jail.local2"
copy:
src: "files/jail.local2"
dest: "/etc/fail2ban/jail.local"
owner: "root"
group: "root"
force: "yes"
tags: [ "website" ]
- name: "Restart apache2"
service:
name: "apache2"
state: "restarted"
tags: [ "website" ]
- name: "Restart fail2ban"
service:
name: "fail2ban"
state: "restarted"
tags: [ "website" ]