--==_Exmh_-581632224P Content-Type: text/plain; charset=us-ascii On Thu, 30 Sep 1999 12:04:14 PDT, Eric Griffis <egriffisat_private> said: > Also, I think the amount of processor time it takes to create a symbolic > link is multiple times larger than the amount of time between the return of > lstat and actual socket creation, which would require the sshd process to > hang temporarily or be seriously slowed down. Is that feasible? > > How would these things be done, or is there something I missed? I'm very > familiar with C and the unix environment, but the security-related aspects cat >> slowmedown.c main() { for(;;)} ^D cc -o slowmedown slowmedown.c for i in 1 2 3 4 5 6 7 8 9; do ./slowmedown &; done Or apply yuor favorite fork bomb. It's easy to slow things down as much as needed - you get that load average up to 60 or 80 the window you're trying to hit will get REAL wide. I'f you're REALLY smart, you'll have all the 'slowmedown' processes trying to hit the window while they bog things down. -- Valdis Kletnieks Computer Systems Senior Engineer Virginia Tech --==_Exmh_-581632224P Content-Type: application/pgp-signature -----BEGIN PGP MESSAGE----- Version: 2.6.2 owFdU11oXEUUbmgUu7ragkVEhIMPboO72910m+xmm8S42ZqlqSlmkSpUmL333L3D zs91Zm421+JjH/xBLCj13RcRrCCiPqigPvmgCAoWfNAHFRRBDeqTFs/cTTB04F7m 55zvnO+bb5498MrBm6bm/7rn+6+nmr/MvHtHb2rqATh4/b6n/72zcJr98dalz9+/ fGn6x3fqqzuLpfkXnp/vrneM2amc/vXQP1e+/KbQ/f2TxsrVF91Hh1976KcjH5QX iz+8/d0t8tTl4Lm1aOfi+Q+fuPvoG3+6W7+6/cpL5S9OvnftXPOq/e3mu45cSKab +uOfg/Mvv3rv8ua310vys7+Pnnl9+7Zrm59eaL05LdzhWlXaYXW2PteYreK2jA/Q 6GjlULlKP0twARxuu+OJYFy1IYiZsegWU1thNuC8WCgWNhT047QMJ2qwiQnUW60W 1GcXao2FegPOrfbL0DU8gIcNjyJu4RQOJ7MHOxtnz2480u921qo0XQKwjIcLxcIS rAiry9ADF3M1oj8CkzpVDnQEidEBWqsNOC4RuAPHRmjBaQgMMkexYDM50IIHHkt4 CKorU+F4IjBPsyCYGSJhxEzdUCCHHaAbI06ODLrUKDrK4axjDpgKgQUuZQKsDkbo JrW5VmUYxzyIYaxTEVLqUyk3mMNYG4d73VO3HoyKD0lfmWjDDBcZEKsBRaLhOrW0 tkKPMYRQj1UVeta36yBCZvlA4LKH8N+aHu/WozoWc9mG1iOFWmHZo3Kfi9SJ1RLz c5JXcmsxXIZeScIWmsxjRUxywZmBMXcxdHKmvvtU8W1AtcWNVpLMUYZB6ia8MEgN d1nFoCD5SRibYOCs90ZA7S4t5TQk5izoTiRZ6dgMXIRIm2Pt9swzxcKTqxQbQEXv C70hK/IsgCuowyycgAachDmYhya02kQTqsf3Zd7fzpnn7jTAkoSkzFICiNiWpl7R lx7BQMtBFaDnShZI08x7yKPsCZhjMW8dulBGhBRiSAQrkOkUhugm9yE0I9IkIBuS TolHmat50Zu1XKAxV4Tkc0reCiYj8GKBomIy75gLkUM92l1Zp1WIvqNStBfut9cf ByuZIc39JsXHVA0YTQi+WCj9z7y0ZzD/IPJCsFtnXyNkUJFbMiMFhvvJVr1ixUKl QrY6ROMxJkJyzhmBTnEc2cluR8skdfR4NjNL5rX07BUnul015KSQ2c3lhpacQR+D 2KP+Bw== =VWS3 -----END PGP MESSAGE----- --==_Exmh_-581632224P--
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