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X86 j4125 4网口小主机折腾笔记五：PVE安装ROS RouterOS
X86 RouterOS 7.18 设置笔记一：基础设置
X86 RouterOS 7.18 设置笔记二：网络基础设置(IPV4)
X86 RouterOS 7.18 设置笔记三：防火墙设置(IPV4)
X86 RouterOS 7.18 设置笔记四：网络设置(IPV6)
X86 RouterOS 7.18 设置笔记五：防火墙设置(IPV6)
X86 RouterOS 7.18 设置笔记六：端口映射(IPv4、IPv6)及回流问题
X86 RouterOS 7.18 设置笔记七：不使用Upnp的映射方法
X86 RouterOS 7.18 设置笔记八：策略路由及DNS劫持
X86 RouterOS 7.18 设置笔记九：上海电信单线复用IPTV设置
X86 RouterOS 7.18 设置笔记十：上海电信IPTV使用msd_lite实现组播转单拨

实现的目标

防火墙设置

添加地址列表

 ```
/ip firewall address-list add address=192.168.1.1 comment="local moden ipv4" list=local_moden_ipv4
/ip firewall address-list add address=192.168.0.0/24 comment="local LAN ipv4" list=local_LAN_ipv4/ip firewall address-list add address=192.168.0.1 comment="local DNS ipv4" list=local_DNS_ipv4
/ip firewall address-list add address=192.168.0.5 comment="local DNS ipv4" list=local_DNS_ipv4/ip firewall address-list add address=0.0.0.0/8 comment="defconf: RFC6890" list=no_forward_ipv4
/ip firewall address-list add address=169.254.0.0/16 comment="defconf: RFC6890" list=no_forward_ipv4
/ip firewall address-list add address=255.255.255.255 comment="defconf: RFC6890" list=no_forward_ipv4
/ip firewall address-list add address=224.0.0.0/4 comment="defconf: multicast" list=no_forward_ipv4/ip firewall address-list add address=127.0.0.0/8 comment="defconf: RFC6890" list=bad_ipv4
/ip firewall address-list add address=192.0.0.0/24 comment="defconf: RFC6890" list=bad_ipv4
/ip firewall address-list add address=192.0.2.0/24 comment="defconf: RFC6890 documentation" list=bad_ipv4
/ip firewall address-list add address=198.51.100.0/24 comment="defconf: RFC6890 documentation" list=bad_ipv4
/ip firewall address-list add address=203.0.113.0/24 comment="defconf: RFC6890 documentation" list=bad_ipv4
/ip firewall address-list add address=240.0.0.0/4 comment="defconf: RFC6890 reserved" list=bad_ipv4/ip firewall address-list add address=0.0.0.0/8 comment="defconf: RFC6890" list=not_global_ipv4
/ip firewall address-list add address=10.0.0.0/8 comment="defconf: RFC6890" list=not_global_ipv4
/ip firewall address-list add address=100.64.0.0/10 comment="defconf: RFC6890" list=not_global_ipv4
/ip firewall address-list add address=169.254.0.0/16 comment="defconf: RFC6890" list=not_global_ipv4
/ip firewall address-list add address=172.16.0.0/12 comment="defconf: RFC6890" list=not_global_ipv4
/ip firewall address-list add address=192.0.0.0/29 comment="defconf: RFC6890" list=not_global_ipv4
/ip firewall address-list add address=192.168.0.0/16 comment="defconf: RFC6890" list=not_global_ipv4
/ip firewall address-list add address=198.18.0.0/15 comment="defconf: RFC6890 benchmark" list=not_global_ipv4
/ip firewall address-list add address=255.255.255.255 comment="defconf: RFC6890" list=not_global_ipv4/ip firewall address-list add address=255.255.255.255 comment="defconf: RFC6890" list=bad_src_ipv4
/ip firewall address-list add address=224.0.0.0/4 comment="defconf: multicast" list=bad_src_ipv4/ip firewall address-list add address=0.0.0.0/8 comment="defconf: RFC6890" list=bad_dst_ipv4
/ip firewall address-list add address=224.0.0.0/4 comment="defconf: RFC6890" list=bad_dst_ipv4

重定向非DNS列表里的客户端DNS到主路由(可选)

/ip firewall nat add action=dst-nat chain=dstnat comment="lanconf: DNS dstnat to DNS Server(UDP)" dst-address-list=!local_DNS_ipv4 dst-port=53 in-interface-list=LAN protocol=udp to-addresses=192.168.0.1 to-ports=53
/ip firewall nat add action=dst-nat chain=dstnat comment="lanconf: DNS dstnat to DNS Server(TCP)" dst-address-list=!local_DNS_ipv4 dst-port=53 in-interface-list=LAN protocol=tcp to-addresses=192.168.0.1 to-ports=53

添加规则

#接受已建立的、相关的或未跟踪的入站流量
/ip firewall filter add action=accept chain=input comment="defconf: accept established,related,untracked" connection-state=established,related,untracked
# 丢弃无效的入站流量
/ip firewall filter add action=drop chain=input comment="defconf: drop invalid" connection-state=invalid
# 接受来自 LAN 的 ICMP 流量
/ip firewall filter add action=accept chain=input comment="defconf: accept icmp from lan" in-interface-list=LAN protocol=icmp
# 接受 IGMP 入站流量
/ip firewall filter add action=accept chain=input comment="defconf: accept igmp" protocol=igmp
# 丢弃所有非 LAN 接口进入的流量
/ip firewall filter add action=drop chain=input comment="defconf: drop all not coming from lan" in-interface-list=!LAN
# 接受进入的 IPsec 策略流量
/ip firewall filter add action=accept chain=forward comment="defconf: accept in ipsec policy" ipsec-policy=in,ipsec
# 接受出去的 IPsec 策略流量
/ip firewall filter add action=accept chain=forward comment="defconf: accept out ipsec policy" ipsec-policy=out,ipsec
# 启用 FastTrack 加速已建立的连接
/ip firewall filter add action=fasttrack-connection chain=forward comment="defconf: fasttrack" connection-state=established,related hw-offload=no
# 接受转发链中的已建立、相关的或未跟踪的连接的流量
/ip firewall filter add action=accept chain=forward comment="defconf: accept established,related,untracked" connection-state=established,related,untracked
# 丢弃无效的转发连接
/ip firewall filter add action=drop chain=forward comment="defconf: drop invalid" connection-state=invalid
# 丢弃所有从 WAN 接口进入且未经过目标地址转换（DNAT）的新连接
/ip firewall filter add action=drop chain=forward comment="defconf: drop all from WAN not dstnat" connection-nat-state=!dstnat connection-state=new in-interface-list=WAN log=yes log-prefix="[wan-not-dnat]"
# 丢弃所有从 Modem 接口进入且未经过目标地址转换（DNAT）的新连接
/ip firewall filter add action=drop chain=forward comment="defconf: drop all from Moden not dstnat" connection-nat-state=!dstnat connection-state=new in-interface-list=MODEN log=yes log-prefix="[fw_modem-not-dnat]" #访问光猫用
# 丢弃所有从 WAN 接口进入且源地址在 BlockIP 地址列表中的流量
/ip firewall filter add action=drop chain=input comment="block ip" in-interface-list=WAN src-address-list=BlockIP
# 将发送 RST 数据包且目标端口不是 53 或 853 的 WAN 流量的源 IP 地址添加到 BlockIP 列表中
/ip firewall filter add action=add-src-to-address-list address-list=BlockIP address-list-timeout=1w chain=input comment="other port from wan to block" dst-port=!53,853 in-interface-list=WAN protocol=tcp psd=21,5s,3,1 tcp-flags=rst
# 将发送 SYN 数据包且目标端口不是 53 或 853 的 WAN 流量的源 IP 地址添加到 BlockIP 列表中
/ip firewall filter add action=add-src-to-address-list address-list=BlockIP address-list-timeout=1w chain=input comment="other port from wan to block" dst-port=!53,853 in-interface-list=WAN protocol=tcp psd=21,5s,3,1 tcp-flags=syn
# 将发送 UDP 数据包且目标端口不是 53 或 853 的 WAN 流量的源 IP 地址添加到 BlockIP 列表中
/ip firewall filter add action=add-src-to-address-list address-list=BlockIP address-list-timeout=1w chain=input comment="other port from wan to block" dst-port=!53,853 in-interface-list=WAN protocol=udp psd=21,5s,3,1
# 丢弃所有来源地址在 no_forward_ipv4 地址列表中的流量
/ip firewall filter add action=drop chain=forward comment="defconf: drop bad forward IPs" src-address-list=no_forward_ipv4
# 丢弃所有目标地址在 no_forward_ipv4 地址列表中的流量
/ip firewall filter add action=drop chain=forward comment="defconf: drop bad forward IPs" dst-address-list=no_forward_ipv4