Date: Thu, 27 Mar 2003 18:53:06 +0100 From: Martin Karlsson <mk-freebsd@bredband.net> To: kinder2000 <kinder2000@mail.ru> Cc: questions@freebsd.org Subject: Re: Then i boot FreeBSD 4.7, not work values in /etc/sysctl.conf see file - sysctl.jpg. How solve this problem? ## help me ;/ Message-ID: <20030327175306.GA610@c-6d3a70d5.bredbandsbolaget.se> In-Reply-To: <16811096265.20030326231011@mail.ru> References: <16811096265.20030326231011@mail.ru>
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* kinder2000 <kinder2000@mail.ru> [2003-03-26 23.10 +1000]: > Hi, ! Hi, > Then i boot FreeBSD 4.7, not work values in /etc/sysctl.conf > at console i se this messages: > > Warring: net.ipv4.icmp_ignore_bogus_error_responses=1 does not exist > Warring: net.ipv4.conf.all.log_martians=1 does not exist > Warring: net.ipv4.conf.all.accept_source_route=0 does not exist > Warring: net.ipv4.tcp_syncookies=1 does not exist > Warring: net.ipv4.conf.all.send_redirects=0 does not exist > Warring: net.ipv4.conf.all.accept_redirects=0 does not exist > Warring: net.ipv4.tcp_fin_timeout=30 does not exist > Warring: net.ipv4.tcp_keepalive_time=1800 does not exist > Warring: net.ipv4.tcp_window_scaling=0 does not exist > Warring: net.ipv4.tcp_sack=0 does not exist > Warring: net.ipv4.tcp_timestamps=0 does not exist > Warring: net.ipv4.tcp_max_syn_backlog=2048 does not exist > Warring: net.ipv4.conf.all.forwarding=0 does not exist > Warring: net.ipv4.icmp_echo_ignore_broadcasts=1 does not exist > > How solve this problem? > I found articles about anti DoS/Flood atacks. > But it not work ;/ Do the values to sysctl you list below exist? Have you checked? The command "sysctl -a" lists all currently (non-opaque) values. Pipe it through a pager such as less(1). Read the sysctl(8) man-page for more info. > sysctl.conf > ========================================================================== > net.ipv4.conf.all.send_redirects=0 > net.ipv4.conf.all.accept_redirects=0 > net.ipv4.conf.all.accept_source_route=0 > net.ipv4.conf.all.mc_forwarding=0 > net.ipv4.icmp_echo_ignore_broadcasts=1 > net.ipv4.icmp_ignore_bogus_error_responses=1 > net.ipv4.conf.all.log_martians=1 > net.ipv4.conf.all.rp_filter=1 HTH -- Martin Karlsson
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