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eth0      Link encap:Ethernet  HWaddr 00:06:29:D5:6F:8F
          inet addr:150.187.114.5  Bcast:150.187.114.255  Mask:255.255.255.248
          inet6 addr: fe80::206:29ff:fed5:6f8f/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1989583 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7257 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:182466242 (174.0 MiB)  TX bytes:413205 (403.5 KiB)
          Interrupt:193 Base address:0x2000

eth1      Link encap:Ethernet  HWaddr 00:50:DA:C8:34:CA
          inet addr:192.168.1.1  Bcast:172.17.110.255  Mask:255.255.255.0
          inet6 addr: fe80::250:daff:fec8:34ca/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:28816775 errors:0 dropped:0 overruns:0 frame:0
          TX packets:32734896 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1154744081 (1.0 GiB)  TX bytes:952400487 (908.2 MiB)
          Interrupt:201 Base address:0x2080

eth3      Link encap:Ethernet  HWaddr 00:40:F4:51:27:4F
          inet addr:172.16.110.2  Bcast:172.16.255.255  Mask:255.255.255.0
          inet6 addr: fe80::240:f4ff:fe51:274f/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:32273935 errors:0 dropped:0 overruns:0 frame:0
          TX packets:25631318 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:919507888 (876.9 MiB)  TX bytes:776413230 (740.4 MiB)
          Interrupt:233 Base address:0x2000

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:7731 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7731 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:349975 (341.7 KiB)  TX bytes:349975 (341.7 KiB)


Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
150.187.114.0   0.0.0.0         255.255.255.248 U     0      0        0 eth0
192.168.1.0    0.0.0.0         255.255.255.0   U     0      0        0 eth1
172.16.110.0    0.0.0.0         255.255.255.0   U     0      0        0 eth3
0.0.0.0         172.16.110.3    0.0.0.0         UG    0      0        0 eth3

route add -net 150.187.114.0 netmask 255.255.255.248 gw 150.187.114.1


The network is like this:

<-------- Router Cisco ---------> Debian Box (Firewall <------------------- Server ------------->

And i can't reach neither Firewall nor Server via ssh.