Still learning a lot, including general networking. I finally have my network setup how I want it, but I wanted to be sure my firewall is setup correctly.
Any recommendations or questions are appreciated.
/ip firewall filter
add action=accept chain=input comment=\
"Permit: Established, related, and untracked input traffic." \
connection-state=established,related,untracked
add action=drop chain=input comment="Drop: Invalid input traffic." \
connection-state=invalid
add action=accept chain=input comment="Permit: ICMP input traffic." protocol=\
icmp
add action=accept chain=input comment="Permit: BGP input traffic." dst-port=\
179 protocol=tcp
add action=accept chain=input comment=\
"Permit: OSPF input traffic from list backbone.interfaces." \
in-interface-list=WAN protocol=ospf
add action=accept chain=input comment=\
"Permit: Input traffic from list management.addresses" src-address-list=\
management.addresses
add action=accept chain=input comment=\
"Permit: BFD input traffic from backbone.interfaces." dst-port=3784 \
in-interface-list=WAN protocol=udp
add action=accept chain=input comment=\
"Permit: Bandwidth test server input traffic." dst-port=2000 protocol=tcp
add action=drop chain=input comment="Drop: All other input traffic."
add action=accept chain=forward comment="ACCEPT: ESTABLISHED AND RELATED" \
connection-state=established,related
add action=accept chain=forward comment="ACCEPT: ADMIN TO SUBNETS" \
src-address-list=management.addresses
add action=accept chain=forward comment="ACCEPT: OUT TOWARDS INTERNET" \
out-interface-list=WAN
add action=accept chain=forward comment="ACCEPT: OUT TO PIHOLE" dst-address=\
192.168.100.250
add action=accept chain=input comment="ACCEPT: VPN TO ADMIN SUBNET" dst-port=\
48339 protocol=udp
add action=drop chain=forward comment="DROP: EVERYTHING ELSE"
/ip firewall nat
add action=masquerade chain=srcnat comment="GENERAL INTERNET MASQ" \
out-interface=ether1
/ip service
set ftp disabled=yes
set ssh disabled=yes
set telnet disabled=yes
set www disabled=yes
/ipv6 firewall address-list
add address=::/128 comment="defconf: unspecified address" list=bad_ipv6
add address=::1/128 comment="defconf: lo" list=bad_ipv6
add address=fec0::/10 comment="defconf: site-local" list=bad_ipv6
add address=::ffff:0.0.0.0/96 comment="defconf: ipv4-mapped" list=bad_ipv6
add address=::/96 comment="defconf: ipv4 compat" list=bad_ipv6
add address=100::/64 comment="defconf: discard only " list=bad_ipv6
add address=2001:db8::/32 comment="defconf: documentation" list=bad_ipv6
add address=2001:10::/28 comment="defconf: ORCHID" list=bad_ipv6
add address=3ffe::/16 comment="defconf: 6bone" list=bad_ipv6
/ipv6 firewall filter
add action=accept chain=input comment=\
"defconf: accept established,related,untracked" connection-state=\
established,related,untracked
add action=drop chain=input comment="defconf: drop invalid" connection-state=\
invalid
add action=accept chain=input comment="defconf: accept ICMPv6" protocol=\
icmpv6
add action=accept chain=input comment="defconf: accept UDP traceroute" \
dst-port=33434-33534 protocol=udp
add action=accept chain=input comment=\
"defconf: accept DHCPv6-Client prefix delegation." dst-port=546 protocol=\
udp src-address=fe80::/10
add action=accept chain=input comment="defconf: accept IKE" dst-port=500,4500 \
protocol=udp
add action=accept chain=input comment="defconf: accept ipsec AH" protocol=\
ipsec-ah
add action=accept chain=input comment="defconf: accept ipsec ESP" protocol=\
ipsec-esp
add action=accept chain=input comment=\
"defconf: accept all that matches ipsec policy" ipsec-policy=in,ipsec
add action=drop chain=input comment=\
"defconf: drop everything else not coming from LAN" in-interface-list=\
!*2000011
add action=fasttrack-connection chain=forward comment="defconf: fasttrack6" \
connection-state=established,related
add action=accept chain=forward comment=\
"defconf: accept established,related,untracked" connection-state=\
established,related,untracked
add action=drop chain=forward comment="defconf: drop invalid" \
connection-state=invalid
add action=drop chain=forward comment=\
"defconf: drop packets with bad src ipv6" src-address-list=bad_ipv6
add action=drop chain=forward comment=\
"defconf: drop packets with bad dst ipv6" dst-address-list=bad_ipv6
add action=drop chain=forward comment="defconf: rfc4890 drop hop-limit=1" \
hop-limit=equal:1 protocol=icmpv6
add action=accept chain=forward comment="defconf: accept ICMPv6" protocol=\
icmpv6
add action=accept chain=forward comment="defconf: accept HIP" protocol=139
add action=accept chain=forward comment="defconf: accept IKE" dst-port=\
500,4500 protocol=udp
add action=accept chain=forward comment="defconf: accept ipsec AH" protocol=\
ipsec-ah
add action=accept chain=forward comment="defconf: accept ipsec ESP" protocol=\
ipsec-esp
add action=accept chain=forward comment=\
"defconf: accept all that matches ipsec policy" ipsec-policy=in,ipsec
add action=drop chain=forward comment=\
"defconf: drop everything else not coming from LAN" in-interface-list=\
!*2000011
