Telnet/ssh bajardi: G’oyibnazarov Sherzod


Telnet: Qanday foydalaniladi


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Telnet: Qanday foydalaniladi

  • telnet HOSTNAME PORTNUMBER
    • HOSTNAME = xost nomi yoki IP manzili
    • PORTNUMBER = port
      • Odatiy telnet (login) porti = 23
      • Veb-server porti = 80
    • Misollar
      • telnet widit.knu.ac.kr 80
        • WIDIT veb-serveriga ulaning
      • telnet rainmaker.wunderground.com
        • Ob-havo ma'lumotlariga kirish
      • telnet sdf.lonestar.org

Telnet: zaiflik

  • Telnet katta xavfsizlik muammosidan aziyat chekmoqda

Telnet mijozi 1
Telnet serveri
Snooper
ID, parol
Telnet mijozi 2
Bank ma'lumotlari

S ecure SH ell Umumiy ko'rinish

  • Telnet uchun almashtirish
    • Shifrlash yordamida kompyuterlar o'rtasidagi aloqa
    • Masofaviy kirish uchun joriy standart (port 22)
      • Xavfsiz buyruq qobig'i (buyruqlarni masofadan turib bajarish)
  • Tarix
    • Finlyandiyadagi akademik loyihadan kelib chiqqan
    • 1998 yilda SSH Communications Security tomonidan tijoratlashtirilgan
    • Xavfsizlik kamchiliklari tufayli SSH1 1995 yil may oyida tugadi
    • Hozirda SSH2 ishlatiladi
  • Mijoz dasturiy ta'minot
    • SSH mijozi
    • MobaXterm
    • PuTTY

SSH: Mijoz-server arxitekturasi


SSH mijozi
Ulanishni boshlaydi
SSH serveri
Kiruvchi ulanishlarni kutadi va javob beradi
Mijoz uchun ariza

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