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...
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...
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...
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...
65 post articles, 17 pages.