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Nick Van Vlaenderen wrote: |
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>Hi all, |
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> |
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>I was wondering how I could hide my uptime and OS for portscans. If |
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>someone scans my server (for example using Nmap), he can see what OS I am |
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>running and what the uptime of the box is. Does anyone know which firewall |
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>rule I need to prevent this? And how does Nmap collect this information? |
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>Is it related to what services there are running on the server? |
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> |
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> |
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I believe that's based on the way the machine handles connections to its |
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tcp/udp ports. Because of this, you'd need to block all ports. <shrug/> |
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|
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Ken |
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>Regards, |
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> |
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>Nick Van Vlaenderen |
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> |
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>-- |
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>The software said "Microsoft Windows 95 or better", so I tried *nix! |
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>Bow for opensource development! |
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> |
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>Aoccdrnig to rscheearch at an Elingsh uinervtisy, it deosn't mttaer in |
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>waht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht the |
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>frist and the lsat ltteer is at the rghit pclae. The rset can be a toatl |
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>mses and you can sitll raed it wouthit porbelms. Tihs is bcuseae we do not |
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>raed ervey lteter by itslef, but the wlohe wrod. |
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> |
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> |
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