반응형 프로...NetWork35 Ing> [iptables] iptables 정리 [iptables] iptables 정리[출처 : https://en.wikipedia.org/wiki/Netfilter]https://upload.wikimedia.org/wikipedia/commons/d/dd/Netfilter-components.svg[Packet Flow 잘 설명된 곳 : 특히 bridge] 출처: https://wiki.mikrotik.com/wiki/Manual:Packet_Flow출처2:New Diagram:https://wiki.mikrotik.com/wiki/Manual:Packet_Flow_v6 Examples Ipsec Encryption/DecryptionDiagram [Bridge 관련해서는 꼭 봐야할 포스트][출처 : http://ebtables.netfilte.. 2018. 9. 21. [Tool] nmap - Network exploration tool and security / port scanner [Tool] nmap - Network exploration tool and security / port scannerNAME nmap - Network exploration tool and security / port scanner SYNOPSIS nmap [Scan Type...] [Options] {target specification} [적용 장비] root@R70:~# uname -a Linux R70 3.16.0-30-generic #40~14.04.1-Ubuntu SMP Thu Jan 15 17:43:14 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux [테스트 장비] TCP/UDP Only Checkroot@Sawwave(AP-503):/# netstat -tu -a.. 2018. 9. 14. [iptables] iptables 정리 [iptables] iptables 정리 All Pass Rule>iptables -Fiptables -Xiptables -P INPUT ACCEPTiptables -P OUTPUT ACCEPTiptables -P FORWARD ACCEPTF : Flush all Policy chainsX : Delete user defined chainsP : Set default policy [출처 : https://en.wikipedia.org/wiki/Netfilter]https://upload.wikimedia.org/wikipedia/commons/d/dd/Netfilter-components.svg[Packet Flow 잘 설명된 곳 : 특히 bridge] 출처: https://wiki.mikrotik.co.. 2018. 9. 12. [프로토콜] l2tp(Linux xl2tpd) 참고:위키> https://namu.wiki/w/502%20Bad%20GatewayLayer 2 Tunneling Protocol (L2TP) used to support virtual private networks (VPNs) or as part of the delivery of services by ISPsdoes not provide any encryption or confidentiality by itself. it relies on an encryption protocol that it passes within the tunnel to provide privacy.L2TP uses UDP port 1701 ( 2018. 9. 6. 이전 1 2 3 4 5 6 7 ··· 9 다음 반응형