Netfilter ke moralo o fanoeng ke kernel ea Linux e lumellang hore lits'ebetso tse fapaneng tse amanang le marang-rang li kenngoe tšebetsong ka mokhoa oa ho sebetsana le batho ba ikhethileng. … Netfilter e emela sehlopha sa lihoko ka har'a kernel ea Linux, e lumellang li-module tsa kernel ho ngolisa mesebetsi ea callback ka stack ea marang-rang ea kernel.
Phapano ke efe lipakeng tsa iptables le netfilter?
Ho kanna ha ba le pherekano mabapi le phapang lipakeng tsa Netfilter le iptables. Netfilter ke sesebelisoa sa le mafaratlhatlha; ke API ea mantlha eo Linux 2.4 kernel e fanang ka eona bakeng sa lits'ebetso tse batlang ho sheba le ho laola lipakete tsa marang-rang. Iptables ke sehokelo se sebelisang Netfilter ho hlophisa le ho sebetsa ka lipakete.
Netfilter e sebetsa joang Linux?
Lihoko tsa netfilter ke moralo ka har'a kernel ea Linux eo e lumella li-module tsa kernel ho ngolisa mesebetsi ea ho khutlela morao libakeng tse fapaneng tsa marang-rang a Linux. Mosebetsi o ngolisitsoeng oa callback o khutlisetsoa morao bakeng sa pakete e 'ngoe le e' ngoe e tšelang hook e fapaneng ka har'a sethala sa marang-rang sa Linux.
Lihoko tsa netfilter ke eng?
Ka mantsoe a mang, netfilter ke sesebelisoa se u fang matla a ho sebelisa li-callback ho hlalosa, ho fetola kapa ho sebelisa pakete. Netfilter e fana ka ntho e bitsoang netfilter hook, e leng mokgoa wa ho sebedisa di-callback bakeng sa ho sefa dipakete ka hare ho kernel.
Ho latela marang-rang a netfilter ke eng?
Ho latela khokahano ("conntrack") ke karolo ea mantlha ea marang-rang a Linux kernel. E lumella kernel ho boloka tlaleho ea likhokahano tsohle tse hlakileng tsa marang-rang kapa phallo, 'me ka hona u khetholle lipakete tsohle tse etsang phallo e' ngoe le e 'ngoe e le hore li ka sebetsanoa ka mokhoa o ts'oanang.
Na netfilter ke firewall?
Netfilter e emela lihlopha tsa lihoko ka har'a kernel ea Linux, e lumellang li-module tsa kernel ho ngolisa mesebetsi ea ho khutlela morao ka stack ea marang-rang ea kernel.
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Netfilter.
| Phallo e tsitsitseng | 5.13.8 (4 Phato 2021) [±] |
|---|---|
| tshebetso ya ho sebetsa | Linux |
| Type | Linux kernel module Packet filter/firewall |
| License | GNU GPL |
| Website | netfilter.org |
Iproute2 ke eng ho Linux?
Iproute2 ke pokello ea lisebelisoa bakeng sa ho laola marang-rang a TCP / IP le taolo ea sephethephethe ho Linux. … Morero oa /etc/net o ikemiselitse ho ts'ehetsa mekhoa e mengata ea sejoale-joale ea marang-rang, kaha ha e sebelise ifconfig mme e lumella motsamaisi oa sistimi ho sebelisa likarolo tsohle tsa iproute2, ho kenyeletsoa le taolo ea sephethephethe.
Netfilter Ubuntu ke eng?
Linux kernel ho Ubuntu e fana ka a tsamaiso ea ho sefa pakete e bitsoang netfilter, 'me sebopeho sa setso sa ho laola netfilter ke li-iptable suite tsa litaelo. … ufw e fana ka moralo oa ho laola netfilter, hammoho le sebopeho sa mola oa taelo bakeng sa ho laola firewall.
Mangle ke eng ho Linux?
Tafole ea mangle ke e sebelisetsoang ho fetola lihlooho tsa IP tsa pakete ka litsela tse sa tšoaneng. Mohlala, o ka fetola boleng ba pakete ea TTL (Nako ea ho Phela), ho lelefatsa kapa ho khutsufatsa palo ea li-hops tse nepahetseng tseo pakete e ka li bolokang. Lihlooho tse ling tsa IP li ka fetoloa ka litsela tse tšoanang.
Ke tseba joang haeba netfilter e kentsoe?
Leha ho le joalo, u ka sheba boemo ba iptables habonolo ka ho laela systemctl boemo ba iptables. tšebeletso ea kapa mohlomong taelo ea boemo ba iptables - ho latela kabo ea hau ea Linux. U ka boela ua botsa li-iptables ka taelo ea iptables -L e tla thathamisa melao e sebetsang.
Netfilter persistent ke eng?
TLHALOSO. netfilter-persistent e sebelisa sehlopha sa li-plugins ho kenya, ho hlakola le ho boloka melao ea netfilter nakong ea ho qalisa le ho emisa nako. Li-plugins li ka ngoloa ka puo leha e le efe e loketseng 'me tsa bolokoa ho /usr/share/netfilter-persistent/plugins.d.