Iptables
iptables DNAT 更改未顯示在 Wireshark 中
我想將介面上的所有傳入流量重新路由
ens4f0
到 IP 地址 192.168.50.10,但 Wireshark 顯示傳入數據包的目標 IP 地址未更改。這是預期的行為嗎?我以為 PREROUTING 先於其他任何東西進入?我的
iptables
命令是:# iptables -t nat -A PREROUTING -i ens4f0 -j DNAT --to 192.168.50.10 # iptables -t nat -vL Chain PREROUTING (policy ACCEPT 24618 packets, 1923K bytes) pkts bytes target prot opt in out source destination 0 0 DNAT all -- ens4f0 any anywhere anywhere to:192.168.50.8 0 0 DNAT all -- ens4f0 any anywhere anywhere to:192.168.50.10 0 0 DNAT all -- ens4f0 any anywhere anywhere to:192.168.50.10
我知道傳入的數據包來自 192.168.50.8,所以我也嘗試過:
# iptables -t nat -A PREROUTING -i ens4f0 -j DNAT -s 192.168.50.8/32 --to 192.168.50.10 # iptables -t nat -L Chain PREROUTING (policy ACCEPT) target prot opt source destination DNAT all -- anywhere anywhere to:192.168.50.8 DNAT all -- anywhere anywhere to:192.168.50.10 DNAT all -- anywhere anywhere to:192.168.50.10 DNAT all -- 192.168.50.8 anywhere to:192.168.50.10
Wireshark在防火牆處理之前擷取傳入的數據包(以及在防火牆處理之後的出站數據包),因此您無法在此數據包擷取中看到防火牆對入站數據包所做的更改。嘗試在出介面上擷取以查看修改後的數據包。