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port scanning

tcp scanning simplest tcp scanning is usualy called “connect scan” and relies on a 3-way tcp hand shake mechanism filter for wireshark so we can capture only interesting traffic host 10.11.0.18 and not arp now we can run netcat scan on speciffic ports nc -nvv -w 1 -z 10.11.1.220 3388-3390 -w –> specifies the conneciotn t...

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Actve Gathering

DNS ENUMERATION interacting with DNS server host www.megacorpone.com host -t mx www.megacorpone.com host -t txt www.megacorpone.com automating lookups create list of typical hostnames (www ftp mail owa proxy router) fo...

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ospf

do not increment metric and start with 200 conf t router ospf 1 redistribute static subnets metric 200 metric-type 2 when changing router-id conf t clear ip ospf process loopback to “normal” interface conf t int lo 1 ip ospf network point-to-point check DR and BDR show ip ospf neighbour show ip ospf interface force DR on R1 interfac...

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ipv6 and ripng

ipv6 interface configuration conf t interface Serial2/0 no ip address ipv6 address 2001:22AA::1/64 # “ARP” or MAC address show ipv6 neighbors enable routing conf t ipv6 unicast-routing add default route conf t ipv6 route ::/0 2001:11AA::1 configure RIPng on routers conf t ipv6 unicast-routing int s2/0 ipv6 add 2001:22AA::2/64 ipv6...

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