Local connections ? (mozilla, avast)

[laki]

Hi all,

I wonder why in Active Ports log I have duplicate ports ?

What avast, firefox and thunderbird does in my system (local ip), many connections and various ports ? For what ?

ashMaiSv.exe 568 127.0.0.1 12143 LISTEN TCP C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
ashMaiSv.exe 568 127.0.0.1 12119 LISTEN TCP C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
ashMaiSv.exe 568 127.0.0.1 12110 LISTEN TCP C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
ashMaiSv.exe 568 127.0.0.1 12025 LISTEN TCP C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
ashWebSv.exe 660 127.0.0.1 12080 127.0.0.1 3034 ESTABLISHED TCP C:\Program Files\Alwil Software\Avast4\ashWebSv.exe

firefox.exe 1640 127.0.0.1 3034 127.0.0.1 12080 ESTABLISHED TCP C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe 1640 127.0.0.1 3032 127.0.0.1 12080 ESTABLISHED TCP C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe 1640 127.0.0.1 3029 127.0.0.1 12080 ESTABLISHED TCP C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe 1640 127.0.0.1 3028 127.0.0.1 12080 ESTABLISHED TCP C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe 1640 127.0.0.1 3026 127.0.0.1 12080 ESTABLISHED TCP C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe 1640 127.0.0.1 3023 127.0.0.1 12080 ESTABLISHED TCP C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe 1640 127.0.0.1 3019 127.0.0.1 12080 ESTABLISHED TCP C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe 1640 127.0.0.1 3017 127.0.0.1 12080 ESTABLISHED TCP C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe 1640 127.0.0.1 3009 127.0.0.1 12080 ESTABLISHED TCP C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe 1640 127.0.0.1 3008 127.0.0.1 12080 ESTABLISHED TCP C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe 1640 127.0.0.1 2590 127.0.0.1 2589 ESTABLISHED TCP C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe 1640 127.0.0.1 2589 127.0.0.1 2590 ESTABLISHED TCP C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe 1640 127.0.0.1 2588 127.0.0.1 2587 ESTABLISHED TCP C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe 1640 127.0.0.1 2587 127.0.0.1 2588 ESTABLISHED TCP C:\Program Files\Mozilla Firefox\firefox.exe
alg.exe 2036 127.0.0.1 1025 LISTEN TCP C:\WINDOWS\System32\alg.exe
thunderbird.exe 3912 127.0.0.1 2973 127.0.0.1 2972 ESTABLISHED TCP C:\Program Files\Mozilla Thunderbird\thunderbird.exe
thunderbird.exe 3912 127.0.0.1 2972 127.0.0.1 2973 ESTABLISHED TCP C:\Program Files\Mozilla Thunderbird\thunderbird.exe
thunderbird.exe 3912 127.0.0.1 2971 127.0.0.1 2970 ESTABLISHED TCP C:\Program Files\Mozilla Thunderbird\thunderbird.exe
thunderbird.exe 3912 127.0.0.1 2970 127.0.0.1 2971 ESTABLISHED TCP C:\Program Files\Mozilla Thunderbird\thunderbird.exe