378 lines
7.8 KiB
Bash
378 lines
7.8 KiB
Bash
#!/usr/bin/env bash
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## ----------------------------------------------------------------
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## --- Main Configurations Ipv4 Firewall Script ipt-firewall-server
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## ----------------------------------------------------------------
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# -------------
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# --- Some Ports/IP-Address Configuration
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# -------------
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# - unpriviligierte Ports
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# -
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unprivports="1024:65535"
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# unique local address (ULA) - private address block
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ula_block="fc00::/7"
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# - Loopback
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loopback="::1/128"
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# -------------
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# --- Prevent bridged traffic getting pushed through the host's iptables rules
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# -------------
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# - Prevent bridged traffic getting pushed through the
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# - host's iptables rules
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# -
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# - Note: Maybe youe have also to activate forwarding
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# -
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# - Set: kernel_forward_between_interfaces=true
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# -
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do_not_firewall_bridged_traffic=false
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# -------------
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# --- Allow all outgoing traffic
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# -------------
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# - unprotected_ifs
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# -
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# - Posiible values are 'true' and 'false'
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# -
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allow_all_outgoing_traffic=false
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# -------------
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# --- Interfaces completly blocked
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# -------------
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# - Interfaces to block (note: they will all be blocked)
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# -
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# - Example: eth1 is used for DSL Line, that becomes an extra
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# - interface (maybe ppp0). A further use of eth1 (which would
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# - be possible) is not configured at time, so you can block it.
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# - blocked_ifs="eth1"
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# -
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blocked_ifs=""
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# -------------
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# --- Interfaces not firewalled
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# -------------
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# - Note:
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# - Can be (for example) an interface, whose (complete) traffic is
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# - protected by a firewall on an other system in the local area
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# -
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unprotected_ifs=""
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# -------------
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# ---- Allow Forwarding (private) IPs / IP-Ranges
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# -------------
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# - Maybe useful in case of virtual hosts with private addresses or
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# - if using a vpn network to forward into private areas.
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# -
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# - Note: this rules takes affect before rules to protect against
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# - unwanted packages e.g. blocking private addresses on
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# - externel interfaces.
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# -
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# - Note: you can specify networks using CIDR notation
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# - like "192.168.2.0/24"
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# -
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forward_private_ips=""
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# -------------
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# ---- Restrict local Servive to given (extern) IP-Address/Network
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# -------------
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# - restrict_local_service_to_net
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# -
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# - restrict_local_service_to_net="ext-netr,local-address,port,protocol"
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# -
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# - Note:
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# - =====
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# - - Only 'tcp' and 'udp' are allowed valuse for protocol.
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# - - Traffic recieved on natted interfaces will be ommitted!
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# -
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# - Use this parameter to (only) give some extern netwoks access to special local
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# - services.
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# -
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# - Example:
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# - allow access from 2003:45:4612:3a00::/56 to tcp service at 2a01:30:0:13:211:84ff:feb7:7f9c on port 1036
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# - allow access from 2a01:30:1fff:fd00:: to https service at 2a01:30:0:13:211:84ff:feb7:7f9c
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# -
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# - restrict_local_service_to_net="2003:45:4612:3a00::/56,2a01:30:0:13:211:84ff:feb7:7f9c,1036,tcp
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# - 2a01:30:1fff:fd00::/64,2a01:30:0:13:211:84ff:feb7:7f9c,443,tcp"
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# -
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# - Blank separated list
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# -
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restrict_local_service_to_net=""
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# -------------
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# ---- Restrict local Network to given extern IP-Address/Network
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# -------------
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# - restrict_local_net_to_net
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# -
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# - restrict_local_net_to_net="<src-ext-net>,<dst-local-net> [<src-ext-net>,<dst-local-net>] [..]"
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# -
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# - All traffic from the given first network to the given second network is allowed
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# -
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# - Note:
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# - =====
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# - - Traffic recieved on natted interfaces will be ommitted!
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# - - If you want allow both directions, you have to make two entries - one for evry directions.
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# -
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# - Example:
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# - allow_ext_net_to_local_net="2003:45:4612:3a00::/56,2a01:30:0:13:211:84ff:feb7:7f9c/128
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# - 2a01:30:1fff:fd00::/64,2a01:30:0:13:211:84ff:feb7:7f9c/128"
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# -
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# - Blank separated list
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# -
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restrict_local_net_to_net=""
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# -------------
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# ---- Allow extern Service
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# -------------
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# - allow_ext_service
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# -
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# - allow_ext_service="<ext-ip>,<ext_port>,<protocol> [<ext-ip>,<ext_port>,<protocol> [ ..
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# -
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# - Allow all traffic to the given extern Service. Only protcols 'tcp' and 'udp'
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# - are allowed
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# -
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# - Example:
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# - - allow_ext_service="
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# - 2a01:4f8:221:3b4e::247,8443,tcp
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# - 2a01:30:0:13:211:84ff:feb7:7f9c,8443,tcp
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# - "
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# - - allow_ext_service="
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# - ::/0,8443,tcp
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# - ::/0,8080,tcp
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# - "
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# -
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# - Note:
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# - =====
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# - To allow traffic on a certain port to all extern networks, set extern network to '::/0'
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# -
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# - Blank separated list
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# -
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allow_ext_service=""
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# -------------
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# ---- Allow extern IP-Address/Network
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# -------------
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# - allow_ext_net
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# -
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# - allow_ext_net="<ext-ip> [<ext-ip> [ ..!
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# -
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# - Allow all traffic to the given extern network/ip-address.
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# -
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# - Example:
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# - - allow_ext_net="2a01:4f8:221:3b4e::247 2a01:30:0:13:211:84ff:feb7:7f9c"
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# - - allow_ext_net="::/0"
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# -
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# - Note:
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# - =====
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# - To allow traffic to all extern networks, set extern network to '::/0'
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# -
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# - Blank separated list
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# -
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allow_ext_net=""
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# -------------
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# ---- Allow (non-standard) local Services
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# -------------
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# - allow_local_service
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# -
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# - allow_local_service="<port>:<protocol> [<port>:<protocol> [.."
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# -
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# - Allow all traffic to given local service
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# -
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# - Example:
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# - allow_local_service="8443:tcp 8080:tcp"
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# -
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# - Blank separated list
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# -
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allow_local_service=""
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# -------------
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# --- Services local Network
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# -------------
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# - VPN Server
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# -
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vpn_server_ips=""
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forward_vpn_server_ips=""
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# DHCP Server
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#
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# Comma seperated Interface list for DHCP services
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#
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dhcp_server_ifs=""
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# - DNS Server
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dns_server_ips=""
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forward_dns_server_ips=""
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# - SSH Server
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# -
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ssh_server_ips=""
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forward_ssh_server_ips=""
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# - HTTP(S) Server
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# -
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http_server_ips=""
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forward_http_server_ips=""
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# - Mail SMTP Server
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# -
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smtpd_ips=""
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forward_smtpd_ips=""
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# - Mail Services (smtps/pop(s)/imap(s)
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# -
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mail_server_ips=""
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forward_mail_server_ips=""
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# - Mail Client (smtps/pop(s)/imap(s)
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# -
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mail_client_ips=""
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forward_mail_client_ips=""
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# - FTP Server
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# -
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ftp_server_ips=""
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forward_ftp_server_ips=""
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# - Mumble Server
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# -
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mumble_server_ips=""
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forward_mumble_server_ips=""
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# - TFTP Server
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# -
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# - NOT YET IMPLEMENTED
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# -
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tftp_server_ips=""
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# - Munin Server
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# -
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munin_server_ips=""
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forward_munin_server_ips=""
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# - Remote Munin Server
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# -
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munin_remote_ip="2a01:30:0:13:2b3:bdff:fe13:cbf4"
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munin_local_port="4949"
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# - XyMon Server
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# -
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# - NOT YET IMPLEMENTED
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# -
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xymon_server_ips=""
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local_xymon_client=false
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# -------------
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# - Protocols Out
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# -------------
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# - Rsync Protocol
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# -
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# - Needed for some integrated provider of clamav-unofficial-sigs
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# -
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rsync_out_ips=""
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forward_rsync_out_ips=""
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rsync_ports="873"
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# -------------
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# --- Allow special Ports (OUT)
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# -------------
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# - TCP Ports
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tcp_out_ports=""
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forward_tcp_out_ports=""
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# - UDP Ports
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udp_out_ports=""
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forward_udp_out_ports=""
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# -------------
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# --- Block IP's / IP-Ranges
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# -------------
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blocked_ips=""
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# -------------
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# --- Block Ports
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# -------------
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# - Generally (for all interfaces) block this ports
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# -
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# - Portmapper
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# - tcp 111
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# - udp 111
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# -
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# - Authentication tap ident
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# - tcp 113
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# -
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# - Location Service
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# - tcp 135
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# -
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# - Windows Stuff
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# - tcp 137:139
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# - udp 137:139
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# - tcp 445
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# -
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block_tcp_ports="111 113 135 137:139 445"
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block_udp_ports="111 137:139"
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# -------------
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# - Some special stuff
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# -------------
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create_traffic_counter=true
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create_iperf_rules=true
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# -------------
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# --- Kernel related - Adjust Kernel Parameters (Security/Tuning)
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# -------------
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# - Disable ip forwarding between interfaces
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# -
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kernel_forward_between_interfaces=false
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# - Deactivate Source Routed Packets
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# -
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kernel_deactivate_source_route=true
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# - Deactivate sending ICMP redirects
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# -
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# - ICMP redirects are used by routers to specify better routing paths out of
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# - one network, based on the host choice, so basically it affects the way
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# - packets are routed and destinations.
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# -
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kernel_dont_accept_redirects=true
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