2.4 -es wifin. szerintem korrekt. 
NAt -olva egy ubuntus microserverrol wgettel:
Resolving ftp.fsn.hu (ftp.fsn.hu)... 195.228.252.133
Connecting to ftp.fsn.hu (ftp.fsn.hu)|195.228.252.133|:21... connected.
Logging in as anonymous ... Logged in!
==> SYST ... done. ==> PWD ... done.
==> TYPE I ... done. ==> CWD (1) /pub/CDROM-Images/centos/6.9/isos/x86_64 ... done.
==> SIZE CentOS-6.9-x86_64-netinstall.iso ... 241172480
==> PASV ... done. ==> RETR CentOS-6.9-x86_64-netinstall.iso ... done.
Length: 241172480 (230M) (unauthoritative)
CentOS-6.9-x86_64-netinstall.iso 100%[===============================================================>] 230.00M 75.5MB/s in 3.4s
2018-01-25 16:57:51 (68.5 MB/s) - ‘/dev/null’ saved [241172480]
