imported>ThorstenStaerk |
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| − | Here are the articles that deal with networking:
| + | That's not just logic. That's really seelsbin. |
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| − | * [[connect to the net]]
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| − | * [[set up networking]]
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| − | * [[set up Network Address Translation]]
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| − | * [[teaming your network cards]]
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| − | * [[routing]]
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| − | * [[set up a firewall]]
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| − | * [[networking commands]]
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| − | * [[network troubleshooting]]
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| − | * [[network sniffing]]
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| − | = Network hints =
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| − | * find out if you are connected to the internet:
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| − | ping <abbr title="google's name server">8.8.8.8</abbr>
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| − | * find all computers in the subnet
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| − | nmap -sP <abbr title="subnet">192.168.178.0/24</abbr>
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| − | * test mtu:
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| − | ping -Mdo -s <abbr title="test if packets of 9000 byte (incl. overhead) are possible">8972</abbr> <abbr title="the peer you want to test communication with">192.168.178.1</abbr>
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| − | * show all connections:
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| − | [[netstat]] -putan
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| − | * show all server sockets that are listening:
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| − | [[lsof]] -i
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| − | * find out if [http://en.wikipedia.org/wiki/TCP_Offload_Engine TOE] is switched on
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| − | # ethtool --show-offload eth2
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| − | Offload parameters for eth2:
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| − | rx-checksumming: on
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| − | tx-checksumming: on
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| − | scatter-gather: on
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| − | tcp-segmentation-offload: on
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| − | udp-fragmentation-offload: off
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| − | generic-segmentation-offload: on
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| − | generic-receive-offload: on
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| − | large-receive-offload: on
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| − | * fake MAC address
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| − | ifconfig eth0 hw ether xx:xx:xx:xx:xx:xx
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| − | | |
| − | * listen on a specific port
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| − | ngrep -qd lo port 21
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| − | | |
| − | * create WLAN traffic
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| − | aireplay -3 -b <MACofAP> -h <MACtoFake> -x 600 eth1
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| − | | |
| − | * slow down port 1234
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| − | tc qdisc add dev eth0 root handle 1: cbq avpkt 1000 bandwidth 10mbit
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| − | tc class add dev eth0 parent 1: classid 1:1 cbq rate 8kbit allot 1500 prio 5 bounded isolated
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| − | tc filter add dev eth0 parent 1: protocol ip prio 16 u32 match ip sport 1234 0xffff flowid 1:1
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| − | tc qdisc add dev eth0 parent 1:1 sfq perturb 10
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| − | | |
| − | = Network tools =
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| − | * [[TCPDump]]
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| − | * [[netStat]]
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| − | * [[ping]]
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| − | * [[ipTraf]]
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| − | * [[nMap]]
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| − | | |
| − | = Services =
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| − | * [[set up a web server]]
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| − | * [[control a Computer via the network]]
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