<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=us-ascii"> <META content="MSHTML 6.00.2900.3314" name=GENERATOR></HEAD> <BODY> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2>Hi,</FONT></SPAN></DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2>I like do a backdoor in my server.</FONT></SPAN></DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2>I like when, I use ttyS0 no password are check, preference root are every loged and no user are required.</FONT></SPAN></DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2>I Trie:</FONT></SPAN></DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2>auth required pam_permit.so</FONT></SPAN></DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2>auth sufficient pam_access.so</FONT></SPAN></DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2>auth required pam_unix.so</FONT></SPAN></DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2>Only can close the access from root for others ports.</FONT></SPAN></DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2>auth required pam_permit.so</FONT></SPAN></DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2>auth required pam_securetty.so #I chance securritty for only ttyS0</FONT></SPAN></DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2>auth sufficent pam_succeed_if.so uid = 0</FONT></SPAN></DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2>auth required pam_unix.so</FONT></SPAN></DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2>Att</FONT></SPAN></DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2></FONT></SPAN> </DIV> <DIV><SPAN class=453434116-07062008><FONT face=Arial size=2>Eduardo Mazolini </FONT></SPAN><SPAN class=453434116-07062008><FONT face=Arial size=2>from Brazil sory my english.</FONT></SPAN></DIV></BODY></HTML>