\# ip netns exec ns-tap1 ip route add default via 10.0.0.1 \# ip netns exec ns-tap1 ip addr show \# ip netns exec ns-tap1 ip route show 1. 2. 3. 4. 3、创建tag为11的内网2,方法同上 4、查看网络内网1 与 内网2的连通性 \# ip netns 1. \# ovs-vsctl show 1. \# ip netns...
ip rule show 显示路由规则。 路由规则的添加: # ip rule add from 192.168.1.10/32 table 1 pref 100 如果pref值不指定,则将在已有规则最小序号前插入 注:创建完路由规则若需立即生效须执行 #ip route flush cache 刷新路由缓冲。 命令格式如下: Usage: ip rule [ list | add | del ] SELECTOR ACTION...
单位时间可以是/second、/minute、/hour、/day或使用第一个字母,比如5/second和5/s是一样的,都是表示每秒可以通过5个数据包,缺省值是3/hour。 --limit-burst number:指定触发事件的阀值,缺省值是5。 看起来好像有点复杂,就让我们来看一个例子: 假设又如下的规则: iptables -A INPUT -p icmp -m limit --...
When listing iptables rules, it is also possible to show the number of packets, and the aggregate size of the packets in bytes, that matched each particular rule. This is often useful when trying to get a rough idea of which rules are matching against packets. To do so, use the-Land-...
command show the interface name, the rule options (if any), and the TOS masks. The packet and byte counters are also listed, with the suffix 'K', 'M' or 'G' for 1000, 1,000,000 and 1,000,000,000 multipliers respectively (but see the -x flag to change ...
Here we have left out our ICMP rule because we will later show you how to insert this rule in a specific location. $ sudo ip6tables -L -v Chain INPUT (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot opt in out source destination 0 0 ACCEPT all lo any anywhere anywhere 11...
sudo iptables -D [CHAIN] [LINE_NUMBER] For instance, to delete a rule with line number 5 from theINPUTchain, execute: sudo iptables -D INPUT 5 The-Doption doesn't show any output, butiptables -Lverifies the outcome: Delete All Rules in a Chain (Flush Chain) ...
To delete a rule, insert the corresponding chain and the number from the list. Let’s say that for this iptables tutorial, we want to eliminaterule number threeof theINPUTchain. The command should be: sudo iptables -D INPUT 3 Alternatively, if you need to filter only the incoming traffic...
Delete a Rule Use the-Foption to clear all iptables firewall rules. To delete a specific rule, list all rules: sudo iptables -L --line-numbers Locate the line number of the firewall rule you want to delete and run: sudo iptables -D INPUT [number] ...
The LOG rule is ninth in the INPUT chain: sudo iptables -R INPUT 9 -m limit --limit 3/min -j LOG --log-prefix "iptables_INPUT_denied: " --log-level 7 Delete Deleting a rule is also done using the rule number. For example, to delete the rule we just inserted for port 8080:...