{{ :infra-security.pdf |}}

{{ :portknock.pdf |}}


  * /user set [find name=aminul] password=scl1234
  * 
  * 
  * /ip service
  * set telnet disabled=yes
  * set ftp disabled=yes
  * set ssh disabled=yes
  * 
  * 
  * 
  * /ip firewall service-port
  * set ftp disabled=yes
  * set tftp disabled=yes
  * set irc disabled=yes
  * set h323 disabled=yes
  * set udplite disabled=yes
  * set dccp disabled=yes
  * set sctp disabled=yes



  * /ip firewall filter
  * add action=accept chain=forward dst-port=3129 protocol=tcp
  * add action=drop chain=input dst-port=67-68 protocol=udp
  * add action=drop chain=input comment="drop ssh brute forcers" dst-port=22 protocol=tcp src-address-list=ssh_blacklist
  * add action=drop chain=forward comment="drop ssh brute forcers" dst-port=22 protocol=tcp src-address-list=ssh_blacklist
  * add action=add-src-to-address-list address-list=ssh_blacklist address-list-timeout=1w3d chain=input connection-state=new dst-port=22 protocol=tcp \
  *     src-address-list=ssh_stage3
  * add action=add-src-to-address-list address-list=ssh_stage3 address-list-timeout=1m chain=input connection-state=new dst-port=22 protocol=tcp \
  *     src-address-list=ssh_stage2
  * add action=add-src-to-address-list address-list=ssh_stage2 address-list-timeout=1m chain=input connection-state=new dst-port=22 protocol=tcp \
  *     src-address-list=ssh_stage1
  * add action=add-src-to-address-list address-list=ssh_stage1 address-list-timeout=1m chain=input connection-state=new dst-port=22 protocol=tcp
  * add action=drop chain=input dst-port=22 protocol=tcp
  * add action=drop chain=input dst-port=23 protocol=tcp
  * add action=drop chain=input dst-port=21 protocol=tcp
  * add action=drop chain=input protocol=tcp src-port=135-139
  * add action=drop chain=input protocol=udp src-port=135-139
  * add action=drop chain=input protocol=udp src-port=445
  * add action=drop chain=input protocol=tcp src-port=2002,4156,1978,27444,10100,10064,6346,1433,1434,1720,1721,11211
  * add action=drop chain=input protocol=udp src-port=2002,4156,1978,27444,10100,10064,6346,1433,1434,1720,1721,11211
  * add action=drop chain=input protocol=tcp src-port=445
  * add action=drop chain=input protocol=tcp src-port=1718
  * add action=drop chain=input protocol=udp src-port=1718
  * add action=drop chain=input protocol=tcp src-port=1719
  * add action=drop chain=input protocol=udp src-port=1719
  * add action=drop chain=forward dst-port=1718-1720 protocol=udp
  * add action=drop chain=forward dst-port=1718-1720 protocol=tcp
  * add action=drop chain=forward dst-port=11720 protocol=tcp
  * add action=drop chain=forward dst-port=11720 protocol=udp
  * add action=drop chain=forward dst-port=4156 protocol=udp
  * add action=drop chain=forward dst-port=1978 protocol=udp
  * add action=drop chain=forward dst-port=1978 protocol=tcp
  * add action=drop chain=forward dst-port=559 protocol=tcp
  * add action=drop chain=forward dst-port=10100 protocol=udp


{{:waf.jpg?600|}}