Thread: Updating interfaces file in effort to fix apt-get

i've been trying fix problem apt-get update couple of days no luck. here's output:

code:

ign http://security.ubuntu.com natty-security inrelease  err http://security.ubuntu.com natty-security release.gpg    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  ign http://security.ubuntu.com natty-security release  ign http://security.ubuntu.com natty-security/universe i386 packages/diffindex  ign http://security.ubuntu.com natty-security/main i386 packages/diffindex  ign http://security.ubuntu.com natty-security/multiverse i386 packages/diffindex  ign http://security.ubuntu.com natty-security/restricted i386 packages/diffindex  ign http://security.ubuntu.com natty-security/main translationindex  ign http://security.ubuntu.com natty-security/multiverse translationindex  ign http://security.ubuntu.com natty-security/restricted translationindex  ign http://security.ubuntu.com natty-security/universe translationindex  ign http://us.archive.ubuntu.com natty inrelease  ign http://us.archive.ubuntu.com natty-security inrelease  ign http://us.archive.ubuntu.com natty-updates inrelease  err http://us.archive.ubuntu.com natty release.gpg    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-security release.gpg    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates release.gpg    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  ign http://us.archive.ubuntu.com natty release  ign http://us.archive.ubuntu.com natty-security release  ign http://us.archive.ubuntu.com natty-updates release  ign http://us.archive.ubuntu.com natty/main sources/diffindex  ign http://us.archive.ubuntu.com natty/universe sources/diffindex  ign http://us.archive.ubuntu.com natty/restricted sources/diffindex  ign http://us.archive.ubuntu.com natty/multiverse sources/diffindex  ign http://us.archive.ubuntu.com natty/main i386 packages/diffindex  ign http://us.archive.ubuntu.com natty/universe i386 packages/diffindex  ign http://us.archive.ubuntu.com natty/restricted i386 packages/diffindex  ign http://us.archive.ubuntu.com natty/multiverse i386 packages/diffindex  ign http://us.archive.ubuntu.com natty/main translationindex  ign http://us.archive.ubuntu.com natty/multiverse translationindex  err http://security.ubuntu.com natty-security/universe i386 packages    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://security.ubuntu.com natty-security/main i386 packages    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  ign http://us.archive.ubuntu.com natty/restricted translationindex  ign http://us.archive.ubuntu.com natty/universe translationindex  ign http://us.archive.ubuntu.com natty-updates/universe sources/diffindex  ign http://us.archive.ubuntu.com natty-updates/main sources/diffindex  ign http://us.archive.ubuntu.com natty-updates/multiverse sources/diffindex  ign http://us.archive.ubuntu.com natty-updates/restricted sources/diffindex  err http://security.ubuntu.com natty-security/multiverse i386 packages    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://security.ubuntu.com natty-security/restricted i386 packages    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://security.ubuntu.com natty-security/main translation-en_us    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://security.ubuntu.com natty-security/main translation-en    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://security.ubuntu.com natty-security/multiverse translation-en_us    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://security.ubuntu.com natty-security/multiverse translation-en    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://security.ubuntu.com natty-security/restricted translation-en_us    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://security.ubuntu.com natty-security/restricted translation-en    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://security.ubuntu.com natty-security/universe translation-en_us    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://security.ubuntu.com natty-security/universe translation-en    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  ign http://us.archive.ubuntu.com natty-updates/universe i386 packages/diffindex  ign http://us.archive.ubuntu.com natty-updates/main i386 packages/diffindex  ign http://us.archive.ubuntu.com natty-updates/multiverse i386 packages/diffindex  ign http://us.archive.ubuntu.com natty-updates/restricted i386 packages/diffindex  ign http://us.archive.ubuntu.com natty-updates/main translationindex  ign http://us.archive.ubuntu.com natty-updates/multiverse translationindex  ign http://us.archive.ubuntu.com natty-updates/restricted translationindex  ign http://us.archive.ubuntu.com natty-updates/universe translationindex  err http://us.archive.ubuntu.com natty-security/universe sources    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-security/main sources    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-security/multiverse sources    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-security/restricted sources    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/main sources    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/universe sources    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/restricted sources    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/multiverse sources    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/main i386 packages    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/universe i386 packages    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/restricted i386 packages    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/multiverse i386 packages    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/main translation-en_us    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/main translation-en    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/multiverse translation-en_us    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/multiverse translation-en    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/restricted translation-en_us    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/restricted translation-en    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/universe translation-en_us    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty/universe translation-en    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/universe sources    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/main sources    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/multiverse sources    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/restricted sources    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/universe i386 packages    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/main i386 packages    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/multiverse i386 packages    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/restricted i386 packages    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/main translation-en_us    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/main translation-en    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/multiverse translation-en_us    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/multiverse translation-en    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/restricted translation-en_us    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/restricted translation-en    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/universe translation-en_us    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)  err http://us.archive.ubuntu.com natty-updates/universe translation-en    cannot initiate connection 3128:80 (0.0.12.56). - connect (22: invalid argument)

the problem seems same what's described here: http://ubuntuforums.org/showthread.p...s+with+apt-get

according thread, fix add gateway ip /etc/network/interfaces

problem i'm having don't know file in situation. i've been googling around reference gateway ip seems part of setting eth0 (or whathaveyou) static ip address. i'm not trying use static ip -- i'd add gateway interfaces file have now. must admit i'm not network savvy enough know whether i'm saying logical (perhaps static ip , explicitly defined gateway ip mutually inclusive things?).

no matter. i'd top know should if interfaces file in effort fix apt-get update. file looks this:

code:

auto lo  iface lo inet loopback

thank you,
~justine

please post following outputs:
ifconfig
ifconfig -a
netstat -nr
cat /etc/resolv.conf

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