DDoS | VDS

apt-get install xtables-addons

iptables -A INPUT -p icmp —icmp-type 8 -j DROP //блокирует ping запросы
//Бан стран
iptables -I INPUT ! -i lo -m geoip —src-cc CN,US,UM,VE,VN -j DROP
iptables -I INPUT ! -i lo -m geoip —src-cc ZW,ZM,ZA,YT,YE,WS,WF,VU,VI,VG,VC,VA,UY -j DROP
iptables -I INPUT ! -i lo -m geoip —src-cc UG,TZ,TW,TV,TT,TO,TG,TF,TD,SZ,SY,SX,ST,SS -j DROP
iptables -I INPUT ! -i lo -m geoip —src-cc SR,SO,SN,SM,SL,SJ,SH,SG,SE,SD,SC,SB,SA,RW -j DROP
iptables -I INPUT ! -i lo -m geoip —src-cc RE,QA,PY,PW,PS,PR,PN,PM,PG,PF,OM,NR,NU,NP -j DROP
iptables -I INPUT ! -i lo -m geoip —src-cc NO,NI,NG,NF,NE,NC,NA,MZ,MX,MW,MU,MT,MS,MR -j DROP
iptables -I INPUT ! -i lo -m geoip —src-cc MQ,MP,MO,MM,MH,MF,ME,LY,LS,LR,LI,LC,LB,LA -j DROP
iptables -I INPUT ! -i lo -m geoip —src-cc KW,KY,KP,KR,KN,KM,KI,KH,KE,JP,JO,JM,JE,IT -j DROP
iptables -I INPUT ! -i lo -m geoip —src-cc IS,IR,IQ,IO,IN,IM,IL,IE,ID,HU,HR,HN,HK -j DROP
iptables -I INPUT ! -i lo -m geoip —src-cc GW,GU,GY,GS,GS,GQ,GP,GN,GM,GI,GL,GH,GG,GD -j DROP
iptables -I INPUT ! -i lo -m geoip —src-cc GB,GA,FO,FM,FK,FI,EU,ET,ES,ER,DO,DM,DK -j DROP
iptables -I INPUT ! -i lo -m geoip —src-cc DJ,DE,DK,DJ,DE,CZ,CY,CX,CW,CV,CR,CM,CL,CK -j DROP
iptables -I INPUT ! -i lo -m geoip —src-cc CI,CH,CF,CG,CD,CC,CA,BW,BT,BS,BR,BO,BQ -j DROP
iptables -I INPUT ! -i lo -m geoip —src-cc BN,BM,BL,BJ,BI,BF,BH,BD,BB,BA,AX,AW,AP,AE -j DROP