icmp-proto-unreachable icmp-net-prohibited icmp-host-pro-hibited icmp-admin-prohibited 1. 2. 3. 4. 5. 6. 7. 8. 当没有明确设置--reject-with的值时,默认提示信息为icmp-port-unreachable,即端口不可达之意。 此时在另一台主机上向主机139发起ping请求,如下图所示,提示目标端口不可达。 那么我们将...
ttl64, id10816, offset0, flags [none], proto ICMP (1), length429)10.0.0.100 > 10.0.0.10: ICMP host 10.0.0.14 unreachable - admin prohibited, length 409IP (tos0x0, ttl63, id46594, offset0, flags [none], proto UDP (17), length401...
icmp-admin-prohibited (*) 从以上,我们可以看出,定义了icmp主机拒绝,返回一个Destination host unreachable错误,但是由于有之前一句的存在,所以能够PING通-A RH-Firewall-1-INPUT -p icmp - -icmp-type any -j ACCEPT。 这样子,我们就能理解 -A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-...
1.ICMPv4-unreach-(net|host|frag-needed|admin); 2.ICMPv4-timed-(ttl|reass); 3.ICMPv6-unreach-(no-route|admin-prohibited|addr|port|reject-route); 4.ICMPv6的太大; 5.的ICMPv6-timed-(hop-limit|reass); 6.ICMPv6的参数 - UNREC选项; 7.ICMPv6-ERR-扩大。 似乎人们对什么是安全的ICMP流量有不...
ICMPv4-unreach-(net|host|frag-needed|admin); ICMPv4-timed-(ttl|reass); 的ICMPv6-unreach-(no-route|admin-prohibited|addr|port|reject-route); ICMPv6的太大; 的ICMPv6-timed-(hop-limit|reass); ICMPv6的参数 – UNREC选项; ICMPv6-ERR-扩大。
1.ICMPv4-unreach-(net|host|frag-needed|admin); 2.ICMPv4-timed-(ttl|reass); 3.的ICMPv6-unreach-(no-route|admin-prohibited|addr|port|reject-route); 4.ICMPv6的太大; 5.的ICMPv6-timed-(hop-limit|reass); 6.ICMPv6的参数 – UNREC选项; ...
1.ICMPv4-unreach-(net|host|frag-needed|admin); 2.ICMPv4-timed-(ttl|reass); 3.的ICMPv6-unreach-(no-route|admin-prohibited|addr|port|reject-route); 4.ICMPv6的太大; 5.的ICMPv6-timed-(hop-limit|reass); 6.ICMPv6的参数 - UNREC选项; ...
1.ICMPv4-unreach-(net|host|frag-needed|admin); 2.ICMPv4-timed-(ttl|reass); 3.的ICMPv6-unreach-(no-route|admin-prohibited|addr|port|reject-route); 4.ICMPv6的太大; 5.的ICMPv6-timed-(hop-limit|reass); 6.ICMPv6的参数 - UNREC选项; 7.ICMPv6-ERR-扩大。 似乎人们对什么是安全的ICMP流量有...
REJECT all -- anywhere anywhere reject-with icmp-host-prohibited 发现FORWARD 阻止了 ICMP 相关的包。 4. 解决 在物理机上运行service iptables stop将 iptables 关闭,问题解决。 本文转自SammyLiu博客园博客,原文链接:http://www.cnblogs.com/sammyliu/p/4981194.html,如需转载请自行联系原作者...
REJECT all -- anywhere anywhere reject-with icmp-host-prohibited 发现FORWARD 阻止了 ICMP 相关的包。 4. 解决 在物理机上运行service iptables stop将 iptables 关闭,问题解决。 本文转自SammyLiu博客园博客,原文链接:http://www.cnblogs.com/sammyliu/p/4981194.html,如需转载请自行联系原作者...