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Avoimet ohjelmat ja
tietoturva järjestötoiminnassa -kurssi
Avoimen lähdekoodin ohjelmat ja
Internetin tehokäyttö
Otto Kekäläinen
Visili / Visio
Helsinki 13.3.2014
LINUX-JÄRJESTELMIEN
ASIANTUNTIJA-JA TUKIPALVELUT
Sisällys
1. Internetin turvallinen selaaminen
2. Salasanahygienia
3. Tiedon tallentaminen verkosta
4. Sähköpostiohjelman tehokäyttö
5. Palaute
Internetin turvallinen selaaminen
Flashblock
Turvallisempi PDF-lukija:
pdfreaders.org
Java?
EI!
Oracle Java CVE-tilastot:
HTTPS nykytila:
TLSv1.2 vain Chromen ja Firefoxin uusimmissa versioissa
Yksityisyystila
Tor-verkon käyttö
anonymiteetin tavoittelemiseksi
Lisävinkkejä
▸ Ctrl++ lähentää näkymää,Ctrl+0 palauttaa normaaliksi
▸ Osoitepalkin triplaklikkaus valitsee automaattisesti koko osoitteen.
▸ Ctrl+T avaa uuden välilehden ja kursori on valmiina osoitepalkissa.Ctrl+W
sulkee välilehden.
▸ Suljitko vahingossa selaimen välilehden? Kokeile Shift+Ctrl+T.
▸ Etsitkö sivulta jotain? Paina Ctrl+F ja kirjoita sana,niin selain korostaa
tulokset sivulta suoraan.
Salasanahygienia
Salasanahygienia
KeePass
Tiedon tallentaminen verkosta
Näkymän tallentaminen
Löydätkö Print screen -painikkeen näppäimistöstäsi?
Jos sivu on suurempi kuin näyvä ruutu:
Screen Capture Elite (Firefox)
Screen Capture (Chromium)
Tallenna tekstidata PDF:nä
Tallenna sivun HTML/CSS -koodi
Scrapbook plus / Scrapbook plus 2 (Firefox)
Pinboard-kirjainmerkkipalvelu arkistolla (maksullinen)
Tallenna kokonainen sivusto
Tallenna video
Video DownloadHelper (Firefox)
-> Videon pyöriessa katso ikonia jossa kolme pyörivää palloa,
napsauta nuolta niiden vieressä ja valitse tallennettava
videotiedosto.Katseluun käytä VLC-ohjelmaa (VALO-CD:llä).
Yle-dl
http://aajanki.github.io/yle-dl/
Sähköpostiohjelman tehokäyttö
Mozilla Thunderbird
Thunderbird-vinkkejä
1. Suomenkielinen oikoluku
https://addons.mozilla.org/fi/firefox/addon/finnish-spellchecker/
tai hae Thunderbirdin sisällä lisäosanäkymässä sanalla”voikko”
2. Henkilöllisyydet,lähettäjäosoitteet, iki.fi-palvelu
3. Salatut yhteydet (IMAPS,POPS,SMTPS)
4. Kansiot
Ota yhteyttä kun haluat Seravo Oy:n
kehittämään tai ylläpitämään
Linux-pohjaisia tietojärjestelmiänne
Avaa seravo.fi
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Avoimen lähdekoodin ohjelmat ja Internetin tehokäyttö