# /etc/sysctl.conf - Configuration file for setting system variables# See sysctl.conf (5) for information.# you can have the CD-ROM close when you use it, and open# when you are done.#dev.cdrom.autoeject = 1#dev.cdrom.autoclose = 1# protection from the SYN flood attacknet/ipv4/tcp_syncookies=1# see the evil packets in your log filesnet/ipv4/conf/all/log_martians=1# makes you vulnerable or not :-)net/ipv4/conf/all/accept_redirects=0net/ipv4/conf/all/accept_source_route=0net/ipv4/icmp_echo_ignore_broadcasts =1# needed for routing, including masquerading or NAT#net/ipv4/ip_forward=1# sets the port range used for outgoing connections#net.ipv4.ip_local_port_range = 32768    61000# Broken routers and obsolete firewalls will corrupt the window scaling# and ECN. Set these values to 0 to disable window scaling and ECN.# This may, rarely, cause some performance loss when running high-speed# TCP/IP over huge distances or running TCP/IP over connections with high# packet loss and modern routers. This sure beats dropped connections.#net.ipv4.tcp_default_win_scale = 0#net.ipv4.tcp_ecn = 0# Swapping too much or not enough? Disks spinning up when you'd# rather they didn't? Tweak these.#vm.vfs_cache_pressure = 100#vm.laptop_mode = 0#vm.swappiness = 60#kernel.printk_ratelimit_burst = 10#kernel.printk_ratelimit = 5#kernel.panic_on_oops = 0# Reboot 600 seconds after a panic#kernel.panic = 600# enable SysRq key (note: console security issues)#kernel.sysrq = 1# Change name of core file to start with the command name# so you get things like: emacs.core mozilla-bin.core X.core#kernel.core_pattern = %e.core# NIS/YP domain (not always equal to DNS domain)#kernel.domainname = example.com#kernel.hostname = darkstar# This limits PID values to 4 digits, which allows tools like ps# to save screen space.kernel/pid_max=10000