Aspire-3810T ~ # ifconfig
eth0      Link encap:Ethernet  HWaddr 00:1e:33:1d:c8:a1
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:46

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:216 errors:0 dropped:0 overruns:0 frame:0
          TX packets:216 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:15984 (15.9 KB)  TX bytes:15984 (15.9 KB)

wlan0     Link encap:Ethernet  HWaddr 00:22:fb:60:98:58
          inet6 addr: fe80::222:fbff:fe60:9858/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:25 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:6525 (6.5 KB)

Aspire-3810T ~ # iwconfig wlan0
wlan0     IEEE 802.11abg  ESSID:"FreeWifi"
          Mode:Managed  Frequency:2.432 GHz  Access Point: 12:F1:1A:2A:16:8E
          Bit Rate=54 Mb/s   Tx-Power=15 dBm
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=67/70  Signal level=-43 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0


Aspire-3810T ~ # lshw -C network
  *-network
       description: Wireless interface
       product: WiFi Link 5100
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:01:00.0
       logical name: wlan0
       version: 00
       serial: 00:22:fb:60:98:58
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=iwlagn driverversion=2.6.35-22-generic firmware=8.24.2.12 ip=78.251.107.181 latency=0 link=yes multicast=yes wireless=IEEE 802.11abg
       resources: irq:45 memory:e3500000-e3501fff
  *-network
       description: Ethernet interface
       product: AR8131 Gigabit Ethernet
       vendor: Atheros Communications
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: eth0
       version: c0
       serial: 00:1e:33:1d:c8:a1
       capacity: 1GB/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.0.2-NAPI firmware=N/A latency=0 link=no multicast=yes port=twisted pair
       resources: irq:46 memory:e2500000-e253ffff ioport:1000(size=128)

Aspire-3810T ~ # lspci
01:00.0 Network controller: Intel Corporation WiFi Link 5100
02:00.0 Ethernet controller: Atheros Communications AR8131 Gigabit Ethernet (rev c0)

https://wifi.free.fr/?url=http://www.google.fr/
This webpage is not available.