Tag Archives: gnu/linux

SSH server owners, beware

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In case you haven’t noticed yet, your machine may be under attacks from botnets. Go check your /var/log/auth.log (at least under Debian) and see for yourself. Botnets are attempting to crack your passwords using brute-force.

Recommended strategies:
  • Change port. I’ve picked 2022.
  • Disable password logins. Use only authentication using secure keys. Too much of a hassle for me, especially on a server I share with others, since we’d have to carry our key files around.
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Backspace on Firefox on Ubuntu and Iceweasel on Debian

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A friend pointed this out to me:
http://kb.mozillazine.org/Browser.backspace_action

In short, if you’re a GNU/Linux user of Firefox (e.g. Firefox on Ubuntu and Iceweasel on Debian) you may want to get backspace to actually go back one page, like many browsers do (did?):

  1. In addressbar, type about:config
  2. If asked, confirm you want to change settings
  3. In search, type browser.backspace_action
  4. Set the value of browser.backspace_action to 0 (that is zero, not letter O) Zero is Windows default and makes pressing backspace go back in history; One is old Linux default and scrolls page up; Two is new Linux default and, like any other integer, simply unmaps the backspace key.

Now, enjoy pressing backspace to go back!

Image source

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Vip over IP – VoIP – ims.vip.hr – Ekiga on Linux, ZOIPER on Windows and Mac

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Greetings, this post will be in Croatian since it’s aimed for Croatian (l)users.

7. ožujka 2010:
Javljeno mi je kako je Vip promijenio neke backend stvari za Vip VoIP, te stoga možda ove upute više ne funkcioniraju. Ukoliko netko isproba i/ili otkrije točne postavke, javite mi. Primijetite kako je ovo relativno stari post 🙂

Pozdrav, evo ukratko kako setupirati Ekigu da koristi “Vip over IP“. Prvo dakako morate imati Vip korisničko ime. Nakon što se registrirate, idemo dalje…

Vip over IP koristi SIP, Session Initiation Protocol. Njihov brandirani klijent je ustvari CounterPath Bria. Kako smo korisnici GNU/Linuxa, to nam ne pomaže. Pa krenimo.

Svakako će Vam trebati nova Ekiga. S verzijom 2.0.12 koja je u Debianu nisam uspio natjerati stvar da proradi. Također, nisam uspio s bilo kojim drugim non-CounterPathovim klijentom.

Prvo instalirati najnoviju Ekigu (meni radi sa paketom ekiga-snapshot, koji na današnji dan ima verziju 3.1.1). Detaljne upute za željne dječake (i djevojčice) su ovdje: http://snapshots.ekiga.net/

Sad ide zabavan dio, postavke.

Edit->Preferences->Protocols->SIP Settings->Outbound Proxy:

ims.vip.hr

Edit->Accounts, Accounts->Add a SIP account:

Name: [bilošto]
Registrar: vip.hr
User: korisnickoime
Authentication user: korisnickoime@vip.hr
Password: viponlinepassword
Timeout: 3600

Sretno svima koji se s ovime pate, javite jesam li nešto zbrljao pa da ispravim 🙂

Dodatno STUN server isključite. Vipov klijent koristi IP adresu od Vašeg interfacea, pa makar bila iz privatnog raspona. Mislim da je to uzrokovalo probleme, no nisam 100% siguran.

7. ožujka 2010: od 13. prosinca 2009 do danas ovdje su bile objavljene i postavke za ZOIPER FREE, no autor tog dijela javio mi je kako te postavke više ne funkcioniraju te zamolio za uklanjanje, što je i učinjeno.

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