Old-skool trying to break the Internet s ... / 2014-05-14

Old-skool trying to break the Internet seems to be back:

[215681.891917] FW dropped: IN=ppp0 OUT= MAC= SRC=93.180.5.26 DST=xxx.xxx.xxx.xxx LEN=28 TOS=0x00 PREC=0x00 TTL=246 ID=54321 PROTO=UDP SPT=56957 DPT=19 LEN=8
[221447.836577] FW dropped: IN=ppp0 OUT= MAC= SRC=107.170.119.239 DST=xxx.xxx.xxx.xxx LEN=29 TOS=0x00 PREC=0x00 TTL=52 ID=0 DF PROTO=UDP SPT=45245 DPT=19 LEN=9
[232530.824743] FW dropped: IN=ppp0 OUT= MAC= SRC=198.15.106.162 DST=xxx.xxx.xxx.xxx LEN=29 TOS=0x00 PREC=0x00 TTL=52 ID=0 DF PROTO=UDP SPT=35908 DPT=19 LEN=9
[243396.453472] FW dropped: IN=ppp0 OUT= MAC= SRC=74.82.47.57 DST=xxx.xxx.xxx.xxx LEN=29 TOS=0x00 PREC=0x00 TTL=55 ID=29020 DF PROTO=UDP SPT=57933 DPT=19 LEN=9

The wikipedia page about Character Generator Protocol - Wikipedia english suggests UDP chargen can give 100 to 2000 times amplification in traffic, making it worth finding the rare host which still supports it and has enough upstream bandwidth.