11.2 opnsense Disable the pf ftp proxy handler. debug.pfftpproxy default Increase UFS read-ahead speeds to match current state of hard drives and NCQ. More information here: http://ivoras.sharanet.org/blog/tree/2010-11-19.ufs-read-ahead.html vfs.read_max default Set the ephemeral port range to be lower. net.inet.ip.portrange.first default Drop packets to closed TCP ports without returning a RST net.inet.tcp.blackhole default Do not send ICMP port unreachable messages for closed UDP ports net.inet.udp.blackhole default Randomize the ID field in IP packets (default is 0: sequential IP IDs) net.inet.ip.random_id default Source routing is another way for an attacker to try to reach non-routable addresses behind your box. It can also be used to probe for information about your internal networks. These functions come enabled as part of the standard FreeBSD core system. net.inet.ip.sourceroute default Source routing is another way for an attacker to try to reach non-routable addresses behind your box. It can also be used to probe for information about your internal networks. These functions come enabled as part of the standard FreeBSD core system. net.inet.ip.accept_sourceroute default Redirect attacks are the purposeful mass-issuing of ICMP type 5 packets. In a normal network, redirects to the end stations should not be required. This option enables the NIC to drop all inbound ICMP redirect packets without returning a response. net.inet.icmp.drop_redirect default This option turns off the logging of redirect packets because there is no limit and this could fill up your logs consuming your whole hard drive. net.inet.icmp.log_redirect default Drop SYN-FIN packets (breaks RFC1379, but nobody uses it anyway) net.inet.tcp.drop_synfin default Enable sending IPv4 redirects net.inet.ip.redirect default Enable sending IPv6 redirects net.inet6.ip6.redirect default Enable privacy settings for IPv6 (RFC 4941) net.inet6.ip6.use_tempaddr default Prefer privacy addresses and use them over the normal addresses net.inet6.ip6.prefer_tempaddr default Generate SYN cookies for outbound SYN-ACK packets net.inet.tcp.syncookies default Maximum incoming/outgoing TCP datagram size (receive) net.inet.tcp.recvspace default Maximum incoming/outgoing TCP datagram size (send) net.inet.tcp.sendspace default IP Fastforwarding net.inet.ip.fastforwarding default Do not delay ACK to try and piggyback it onto a data packet net.inet.tcp.delayed_ack default Maximum outgoing UDP datagram size net.inet.udp.maxdgram default Handling of non-IP packets which are not passed to pfil (see if_bridge(4)) net.link.bridge.pfil_onlyip default Set to 0 to disable filtering on the incoming and outgoing member interfaces. net.link.bridge.pfil_member default Set to 1 to enable filtering on the bridge interface net.link.bridge.pfil_bridge default Allow unprivileged access to tap(4) device nodes net.link.tap.user_open default Randomize PID's (see src/sys/kern/kern_fork.c: sysctl_kern_randompid()) kern.randompid default Maximum size of the IP input queue net.inet.ip.intr_queue_maxlen default Disable CTRL+ALT+Delete reboot from keyboard. hw.syscons.kbd_reboot default Enable TCP extended debugging net.inet.tcp.log_debug default Set ICMP Limits net.inet.icmp.icmplim default TCP Offload Engine net.inet.tcp.tso default UDP Checksums net.inet.udp.checksum default Maximum socket buffer size kern.ipc.maxsockbuf default normal OPNsense localdomain admins System Administrators system 1999 0 page-all root System Administrator system admins $6$$Y8Et6wWDdXO2tJZRabvSfQvG2Lc8bAS6D9COIsMXEJ2KjA27wqDuAyd/CdazBQc3H3xQX.JXMKxJeRz2OqTkl. 0 user-shell-access 2000 2000 Europe/Amsterdam 0.nl.pool.ntp.org https 56b0bd0633772 yes 1 hadp hadp hadp monthly 115200 serial enabled 1 1 en_US none none none none 1 em1 WAN 1 1 172.10.2.1 16 WANGW 1 em0 LAN 192.168.2.1 24 track6 0 1 192.168.2.100 192.168.2.199 192.168.2.1 public automatic pass wan inet keep state IPsec ESP IPsec Tunnels esp 1 wanip root@192.168.2.100 /firewall_rules_edit.php made changes root@192.168.2.100 /firewall_rules_edit.php made changes pass wan inet keep state IPsec ISAKMP IPsec Tunnels udp 1 wanip 500 root@192.168.2.100 /firewall_rules_edit.php made changes root@192.168.2.100 /firewall_rules_edit.php made changes pass wan inet keep state IPsec NAT-T IPsec Tunnels udp 1 wanip 4500 root@192.168.2.100 /firewall_rules_edit.php made changes root@192.168.2.100 /firewall_rules_edit.php made changes pass inet Default allow LAN to any rule lan lan pass inet6 Default allow LAN IPv6 to any rule lan lan pass enc0 inet keep state IPSec Allow Access to LAN Net IPsec Tunnels 1 lan root@192.168.2.100 /firewall_rules_edit.php made changes root@192.168.2.100 /firewall_rules_edit.php made changes 1,31 0-5 * * * root adjkerntz -a 1 3 1 * * root /usr/local/etc/rc.update_bogons */60 * * * * root /usr/local/sbin/expiretable -v -t 3600 sshlockout 1 1 * * * root /usr/local/etc/rc.dyndns.update */60 * * * * root /usr/local/sbin/expiretable -v -t 3600 virusprot 30 12 * * * root /usr/local/etc/rc.update_urltables ICMP icmp ICMP TCP tcp Generic TCP HTTP http Generic HTTP / 200 HTTPS https Generic HTTPS / 200 SMTP send Generic SMTP 220 * system_information-container:col1:show,captive_portal_status-container:col1:close,carp_status-container:col1:close,cpu_graphs-container:col1:close,gateways-container:col1:close,interface_statistics-container:col1:close,interface_list-container:col2:show,ipsec-container:col2:close,load_balancer_status-container:col2:close,log-container:col2:close,picture-container:col2:close,rss-container:col2:close,services_status-container:col2:close,traffic_graphs-container:col2:close root@192.168.2.100 /system_gateways_edit.php made changes 56b0bd0633772 webConfigurator default 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wan 172.10.1.1 WANGW 1 inet Remote Gateway 1 1 ikev2 wan main inet myaddress peeraddress aes 256 sha512 14 28800 At4aDMOAOub2NwT6gMHA pre_shared_key Site A off 172.10.1.1 1 56bafc7ad40cd tunnel 14 3600 Local LAN Site A esp lan network
192.168.1.0
24 aes 256 hmac_sha512 1