1111 Hints

opnsense

root@opnsense:~ # ifconfig
em0: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500
        description: MGMT (lan)
        options=4800028<VLAN_MTU,JUMBO_MTU,HWSTATS,MEXTPG>
        ether 08:00:27:3e:e9:b5
        inet 172.26.56.1 netmask 0xffffffc0 broadcast 172.26.56.63
        inet6 fe80::a00:27ff:fe3e:e9b5%em0 prefixlen 64 scopeid 0x1
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
em1: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500
        description: WAN (wan)
        options=4800028<VLAN_MTU,JUMBO_MTU,HWSTATS,MEXTPG>
        ether 08:00:27:8f:50:e0
        inet 192.168.10.105 netmask 0xffffff00 broadcast 192.168.10.255
        inet6 fe80::a00:27ff:fe8f:50e0%em1 prefixlen 64 scopeid 0x2
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
lo0: flags=1008049<UP,LOOPBACK,RUNNING,MULTICAST,LOWER_UP> metric 0 mtu 16384
        options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        inet 127.0.0.1 netmask 0xff000000
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
        groups: lo
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
enc0: flags=0 metric 0 mtu 1536
        options=0
        groups: enc
        nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>
pflog0: flags=20100<PROMISC,PPROMISC> metric 0 mtu 33152
        options=0
        groups: pflog
pfsync0: flags=0 metric 0 mtu 1500
        options=0
maxupd: 128 defer: off version: 1400
        syncok: 1
        groups: pfsync
vlan0.21: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500
        description: LAN (opt1)
        options=4000000<MEXTPG>
        ether 08:00:27:3e:e9:b5
        inet 172.26.56.65 netmask 0xffffffc0 broadcast 172.26.56.127
        inet6 fe80::a00:27ff:fe3e:e9b5%vlan0.21 prefixlen 64 scopeid 0x7
        groups: vlan
        vlan: 21 vlanproto: 802.1q vlanpcp: 0 parent interface: em0
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
vlan0.22: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500
        description: SERVER (opt2)
        options=4000000<MEXTPG>
        ether 08:00:27:3e:e9:b5
        inet 172.26.56.129 netmask 0xffffffc0 broadcast 172.26.56.191
        inet6 fe80::a00:27ff:fe3e:e9b5%vlan0.22 prefixlen 64 scopeid 0x8
        groups: vlan
        vlan: 22 vlanproto: 802.1q vlanpcp: 0 parent interface: em0
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
vlan0.23: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500
        description: DMZ (opt3)
        options=4000000<MEXTPG>
        ether 08:00:27:3e:e9:b5
        inet 172.26.56.193 netmask 0xffffffc0 broadcast 172.26.56.255
        inet6 fe80::a00:27ff:fe3e:e9b5%vlan0.23 prefixlen 64 scopeid 0x9
        groups: vlan
        vlan: 23 vlanproto: 802.1q vlanpcp: 0 parent interface: em0
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>

root@opnsense:~ # netstat -4rn
Routing tables

Internet:
Destination        Gateway            Flags     Netif Expire
default            192.168.10.254     UGS         em1
127.0.0.1          link#3             UH          lo0
172.26.56.0/26     link#1             U           em0
172.26.56.1        link#3             UHS         lo0
172.26.56.64/26    link#7             U      vlan0.21
172.26.56.65       link#3             UHS         lo0
172.26.56.128/26   link#8             U      vlan0.22
172.26.56.129      link#3             UHS         lo0
172.26.56.192/26   link#9             U      vlan0.23
172.26.56.193      link#3             UHS         lo0
192.168.10.0/24    link#2             U           em1
192.168.10.105     link#3             UHS         lo0
192.168.20.1       192.168.10.254     UGHS        em1

root@opnsense:~ # cat /etc/resolv.conf
domain lab34.linuggs.de
nameserver 127.0.0.1
nameserver 192.168.20.1
nameserver 8.8.8.8
search lab34.linuggs.de

root@opnsense:~ # sockstat -P tcp -l
USER     COMMAND    PID   FD  PROTO  LOCAL ADDRESS         FOREIGN ADDRESS
unbound  unbound    54696 6   tcp6   *:53                  *:*
unbound  unbound    54696 8   tcp4   *:53                  *:*
unbound  unbound    54696 10  tcp6   *:53                  *:*
unbound  unbound    54696 12  tcp4   *:53                  *:*
unbound  unbound    54696 14  tcp6   *:53                  *:*
unbound  unbound    54696 16  tcp4   *:53                  *:*
unbound  unbound    54696 18  tcp6   *:53                  *:*
unbound  unbound    54696 20  tcp4   *:53                  *:*
unbound  unbound    54696 21  tcp4   127.0.0.1:953         *:*
root     lighttpd   50142 7   tcp4   *:443                 *:*
root     lighttpd   50142 8   tcp6   *:443                 *:*
root     sshd       46010 7   tcp6   *:22                  *:*
root     sshd       46010 8   tcp4   *:22                  *:*