Network Engineering
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TJCLK

security engineer

interested area: cryptography, mobile security, network security

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  • Singapore
  • Member for 5 years, 6 months
  • 17 profile views
  • Last seen Jan 12 at 4:14

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3 what is the difference between open TCP scan and half-open (stealth) TCP scan? Jun 14 '16
2 How to configure static routing between two layer 3 switches? Dec 7 '16
2 How to sniff a switched LAN by plugging the laptop into a switch port May 24 '16
2 Allow necessary protocols to ping when configure firewall Jan 21 '16
1 Ping issue: connect a switch into another switch's vlan port Oct 10 '16
1 Put firewall hardware with ethernet ports between serial ports Jan 19 '16
1 Explain BGP AS relationship Apr 4 '17
1 How to measure the firewall latency? Dec 6 '16
1 What makes TCP window size keep changing (e.g.windows)? [closed] Jun 16 '16
1 How to access the Cisco Catalyst 2960 Series switch port mirroring webpage/admin interface? May 30 '16
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