imported>ThorstenStaerk |
imported>ThorstenStaerk |
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| − | * you want an introduction to networking
| + | #REDIRECT [[networking]] |
| − | * you want to know about network addressing like 10.20.64.111/24
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| − | * you want a list of [[networking commands]]
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| − | * you want to do [[network troubleshooting]]
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| − | * you want to learn how to [[connect to the net]]
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| − | | |
| − | Networking topics
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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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| − | | |
| − | * Show all server sockets that are listening
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| − | lsof -i
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| − | | |
| − | * Show all connections
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| − | netstat -putan
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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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| − | | |
| − | * 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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