{"id":3075,"date":"2025-08-13T09:22:00","date_gmt":"2025-08-13T06:22:00","guid":{"rendered":"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/08\/13\/kubernetes-ebpf-ag-izleme-guvenlik-2\/"},"modified":"2026-03-04T17:49:40","modified_gmt":"2026-03-04T14:49:40","slug":"kubernetes-ebpf-ag-izleme-guvenlik-2","status":"publish","type":"post","link":"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/08\/13\/kubernetes-ebpf-ag-izleme-guvenlik-2\/","title":{"rendered":"Kubernetes&#8217;te eBPF ile G\u00fc\u00e7lendirilen A\u011f \u0130zleme ve G\u00fcvenlik: Derinlemesine Bir Bak\u0131\u015f"},"content":{"rendered":"<p class=\"bircloud-reading-time\">\ud83d\udcd6 <strong>6 dakika<\/strong> okuma s\u00fcresi<\/p>\n<div class=\"bircloud-toc\">\n<h2>\ud83d\udccb \u0130\u00e7indekiler<\/h2>\n<ul>\n<li><a href=\"#section-1\">Giri\u015f<\/a><\/li>\n<li><a href=\"#section-2\">eBPF Nedir?<\/a><\/li>\n<li><a href=\"#section-3\">eBPF&#8217;nin Kubernetes&#8217;teki Avantajlar\u0131<\/a><\/li>\n<li><a href=\"#section-4\">eBPF Kullan\u0131m Senaryolar\u0131<\/a><\/li>\n<li><a href=\"#section-5\">Kubernetes&#8217;te eBPF ile Ba\u015flang\u0131\u00e7<\/a><\/li>\n<li><a href=\"#section-6\">BirCloud Perspektifi<\/a><\/li>\n<li><a href=\"#section-7\">Sonu\u00e7<\/a><\/li>\n<\/ul>\n<\/div>\n<h2 id=\"section-1\">Giri\u015f<\/h2>\n<p>Kubernetes, modern uygulama geli\u015ftirme ve da\u011f\u0131t\u0131m\u0131n\u0131n temel ta\u015f\u0131 haline geldi. Ancak, karma\u015f\u0131k yap\u0131s\u0131 ve dinamik do\u011fas\u0131, a\u011f izleme ve g\u00fcvenlik konular\u0131nda \u00f6nemli zorluklar yarat\u0131r. \u0130\u015fte bu noktada, <a href=\"https:\/\/ebpf.io\/\">eBPF (extended Berkeley Packet Filter)<\/a> devreye giriyor. eBPF, \u00e7ekirdek seviyesinde programlar \u00e7al\u0131\u015ft\u0131rmay\u0131 m\u00fcmk\u00fcn k\u0131larak, a\u011f trafi\u011fini derinlemesine analiz etme ve g\u00fcvenlik politikalar\u0131n\u0131 uygulama imkan\u0131 sunar. Bu yaz\u0131da, Kubernetes ortamlar\u0131nda eBPF&#8217;nin nas\u0131l kullan\u0131labilece\u011fini, avantajlar\u0131n\u0131 ve BirCloud&#8217;un bu alandaki uzmanl\u0131\u011f\u0131n\u0131 inceleyece\u011fiz.<\/p>\n<h2 id=\"section-2\">eBPF Nedir?<\/h2>\n<p>eBPF, ba\u015flang\u0131\u00e7ta a\u011f paketlerini filtrelemek i\u00e7in tasarlanm\u0131\u015f olsa da, zamanla \u00e7ok daha fazlas\u0131n\u0131 yapabilen g\u00fc\u00e7l\u00fc bir teknolojiye d\u00f6n\u00fc\u015ft\u00fc. Art\u0131k sistem \u00e7a\u011fr\u0131lar\u0131n\u0131 izleyebilir, uygulama performans\u0131n\u0131 analiz edebilir ve g\u00fcvenlik politikalar\u0131n\u0131 uygulayabilir. eBPF programlar\u0131, \u00e7ekirdek taraf\u0131ndan g\u00fcvenli bir \u015fekilde \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r ve sistem kaynaklar\u0131na minimum etki eder. Bu, eBPF&#8217;yi izleme, g\u00fcvenlik ve performans analizi i\u00e7in ideal bir ara\u00e7 haline getirir.<\/p>\n<h2 id=\"section-3\">eBPF&#8217;nin Kubernetes&#8217;teki Avantajlar\u0131<\/h2>\n<ul>\n<li><b>Derinlemesine A\u011f \u0130zleme:<\/b> eBPF, a\u011f trafi\u011fini paket seviyesinde analiz ederek, uygulamalar aras\u0131ndaki ileti\u015fimi detayl\u0131 bir \u015fekilde g\u00f6rmemizi sa\u011flar. Bu, performans sorunlar\u0131n\u0131 tespit etmek ve g\u00fcvenlik ihlallerini \u00f6nlemek i\u00e7in kritik \u00f6neme sahiptir. <a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/10\/30\/cloud-native-gozlemlenebilirlik-ebpf\/\">Cloud Native G\u00f6zlemlenebilirlik: eBPF ile Uygulamalar\u0131n\u0131z\u0131 Derinlemesine \u0130zleyin<\/a> ba\u015fl\u0131kl\u0131 yaz\u0131m\u0131zda bu konuya daha detayl\u0131 de\u011finmi\u015ftik.<\/li>\n<li><b>Geli\u015fmi\u015f G\u00fcvenlik:<\/b> eBPF, a\u011f trafi\u011fini ger\u00e7ek zamanl\u0131 olarak filtreleyerek, zararl\u0131 aktiviteleri engelleme ve g\u00fcvenlik politikalar\u0131n\u0131 uygulama imkan\u0131 sunar. \u00d6rne\u011fin, belirli IP adreslerinden gelen trafi\u011fi engelleyebilir veya \u015f\u00fcpheli davran\u0131\u015flar\u0131 tespit edebiliriz. <a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/09\/16\/kubernetes-ag-politikalarinda-cilium-ebpf-gelismis-guvenlik\/\">Kubernetes A\u011f Politikalar\u0131nda Cilium ve eBPF ile Geli\u015fmi\u015f G\u00fcvenlik: BirCloud Uzmanl\u0131\u011f\u0131<\/a> yaz\u0131m\u0131z\u0131 inceleyerek bu konuda daha fazla bilgi edinebilirsiniz.<\/li>\n<li><b>D\u00fc\u015f\u00fck Performans Etkisi:<\/b> eBPF programlar\u0131, \u00e7ekirdek seviyesinde \u00e7al\u0131\u015ft\u0131\u011f\u0131 i\u00e7in, geleneksel izleme ve g\u00fcvenlik ara\u00e7lar\u0131na k\u0131yasla \u00e7ok daha az performans etkisi yarat\u0131r. Bu, \u00f6zellikle y\u00fcksek trafikli ortamlarda b\u00fcy\u00fck bir avantajd\u0131r.<\/li>\n<li><b>Esneklik ve \u00d6zelle\u015ftirme:<\/b> eBPF programlar\u0131, ihtiya\u00e7lara g\u00f6re \u00f6zelle\u015ftirilebilir ve farkl\u0131 senaryolara uyarlanabilir. Bu, eBPF&#8217;yi \u00e7ok y\u00f6nl\u00fc bir ara\u00e7 haline getirir.<\/li>\n<\/ul>\n<h2 id=\"section-4\">eBPF Kullan\u0131m Senaryolar\u0131<\/h2>\n<ul>\n<li><b>A\u011f Performans \u0130zleme:<\/b> Uygulamalar aras\u0131ndaki a\u011f trafi\u011fini izleyerek, gecikme s\u00fcrelerini, paket kay\u0131plar\u0131n\u0131 ve di\u011fer performans sorunlar\u0131n\u0131 tespit etmek.\n<pre><code>\/\/ \u00d6rnek: A\u011f gecikmesini \u00f6l\u00e7en bir eBPF program\u0131\n#include &lt;linux\/bpf.h&gt;\n#include &lt;bpf\/bpf_helpers.h&gt;\n\nSEC(\"kprobe\/tcp_sendmsg\")\nint BPF_KPROBE(tcp_sendmsg, struct sock *sk, struct msghdr *msg, size_t size)\n{\n    u64 ts = bpf_ktime_get_ns();\n    bpf_map_update_elem(&amp;start, &amp;sk, &amp;ts, BPF_ANY);\n    return 0;\n}\n\nSEC(\"kretprobe\/tcp_sendmsg\")\nint BPF_KRETPROBE(tcp_sendmsg_ret, int ret)\n{\n    struct sock *sk = (struct sock *)PT_REGS_PARM1(ctx);\n    u64 *tsp = bpf_map_lookup_elem(&amp;start, &amp;sk);\n    if (!tsp)\n        return 0;\n\n    u64 delta = bpf_ktime_get_ns() - *tsp;\n    bpf_map_delete_elem(&amp;start, &amp;sk);\n\n    bpf_printk(\"Latency: %llu ns\", delta);\n    return 0;\n}\n\nchar _license[] SEC(\"license\") = \"GPL\";\n<\/code><\/pre>\n<\/li>\n<li><b>G\u00fcvenlik \u0130hlali Tespiti:<\/b> \u015e\u00fcpheli a\u011f trafi\u011fini tespit ederek, sald\u0131r\u0131lar\u0131 engellemek ve g\u00fcvenlik a\u00e7\u0131klar\u0131n\u0131 kapatmak.<\/li>\n<li><b>Mikroservis \u0130zleme:<\/b> Mikroservisler aras\u0131ndaki ileti\u015fimi izleyerek, performans sorunlar\u0131n\u0131 ve ba\u011f\u0131ml\u0131l\u0131klar\u0131 anlamak.<\/li>\n<li><b>A\u011f Politikas\u0131 Uygulama:<\/b> A\u011f politikalar\u0131n\u0131 ger\u00e7ek zamanl\u0131 olarak uygulayarak, g\u00fcvenlik ve uyumluluk gereksinimlerini kar\u015f\u0131lamak.<\/li>\n<\/ul>\n<h2 id=\"section-5\">Kubernetes&#8217;te eBPF ile Ba\u015flang\u0131\u00e7<\/h2>\n<p>eBPF&#8217;yi Kubernetes ortam\u0131nda kullanmaya ba\u015flamak i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 izleyebilirsiniz:<\/p>\n<ol>\n<li><b>eBPF Ara\u00e7lar\u0131n\u0131 Kurun:<\/b> `bcc` (BPF Compiler Collection) veya `bpftrace` gibi eBPF ara\u00e7lar\u0131n\u0131 kurun. Bu ara\u00e7lar, eBPF programlar\u0131 yazman\u0131za, derlemenize ve \u00e7al\u0131\u015ft\u0131rman\u0131za olanak tan\u0131r.\n<pre><code># Ubuntu i\u00e7in kurulum \u00f6rne\u011fi\nsudo apt-get update\nsudo apt-get install -y bpfcc-tools linux-headers-$(uname -r)\n<\/code><\/pre>\n<\/li>\n<li><b>eBPF Programlar\u0131 Yaz\u0131n:<\/b> \u0130htiya\u00e7lar\u0131n\u0131za uygun eBPF programlar\u0131 yaz\u0131n. Bu programlar, a\u011f trafi\u011fini izleyebilir, g\u00fcvenlik politikalar\u0131n\u0131 uygulayabilir veya performans metriklerini toplayabilir.<\/li>\n<li><b>eBPF Programlar\u0131n\u0131 \u00c7al\u0131\u015ft\u0131r\u0131n:<\/b> Kubernetes ortam\u0131nda eBPF programlar\u0131n\u0131 \u00e7al\u0131\u015ft\u0131r\u0131n. Bu, genellikle DaemonSet&#8217;ler veya Operator&#8217;ler arac\u0131l\u0131\u011f\u0131yla yap\u0131l\u0131r.<\/li>\n<li><b>Sonu\u00e7lar\u0131 \u0130zleyin:<\/b> eBPF programlar\u0131n\u0131n sonu\u00e7lar\u0131n\u0131 izleyerek, a\u011f trafi\u011fi, g\u00fcvenlik olaylar\u0131 ve performans metrikleri hakk\u0131nda bilgi edinin.<\/li>\n<\/ol>\n<h2 id=\"section-6\">BirCloud Perspektifi<\/h2>\n<p>BirCloud olarak, Kubernetes ortamlar\u0131nda eBPF&#8217;nin g\u00fcc\u00fcn\u00fc en \u00fcst d\u00fczeye \u00e7\u0131karmak i\u00e7in m\u00fc\u015fterilerimize uzmanl\u0131k ve \u00e7\u00f6z\u00fcmler sunuyoruz. eBPF&#8217;nin karma\u015f\u0131kl\u0131\u011f\u0131n\u0131 anl\u0131yor ve m\u00fc\u015fterilerimizin ihtiya\u00e7lar\u0131na uygun \u00f6zelle\u015ftirilmi\u015f \u00e7\u00f6z\u00fcmler geli\u015ftiriyoruz. Hizmetlerimiz \u015funlar\u0131 i\u00e7erir:<\/p>\n<ul>\n<li><b>eBPF Dan\u0131\u015fmanl\u0131\u011f\u0131:<\/b> eBPF&#8217;nin Kubernetes ortam\u0131n\u0131zda nas\u0131l kullan\u0131labilece\u011fi konusunda uzman dan\u0131\u015fmanl\u0131k hizmetleri.<\/li>\n<li><b>eBPF \u00c7\u00f6z\u00fcm Geli\u015ftirme:<\/b> \u0130htiya\u00e7lar\u0131n\u0131za \u00f6zel eBPF programlar\u0131 ve ara\u00e7lar\u0131 geli\u015ftirme.<\/li>\n<li><b>eBPF Entegrasyonu:<\/b> Mevcut izleme ve g\u00fcvenlik ara\u00e7lar\u0131n\u0131zla eBPF&#8217;yi entegre etme.<\/li>\n<li><b>eBPF Y\u00f6netimi:<\/b> eBPF programlar\u0131n\u0131z\u0131n s\u00fcrekli olarak \u00e7al\u0131\u015fmas\u0131n\u0131 ve g\u00fcncel kalmas\u0131n\u0131 sa\u011flama.<\/li>\n<\/ul>\n<p>BirCloud, <a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/11\/13\/prometheus-proaktif-izleme-anomali-tespiti\/\">Prometheus ile Proaktif \u0130zleme ve Anomali Tespiti<\/a> gibi \u00e7\u00f6z\u00fcmlerle eBPF&#8217;nin sa\u011flad\u0131\u011f\u0131 verileri anlaml\u0131 hale getirerek, bulut ortam\u0131n\u0131z\u0131n g\u00fcvenli\u011fini ve performans\u0131n\u0131 art\u0131rman\u0131za yard\u0131mc\u0131 olur. Ayr\u0131ca, <a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2026\/02\/03\/modern-savunmanin-temeli-isletmenizi-birsiem-ile-nasil-guclendirirsiniz\/\">Modern Savunman\u0131n Temeli: \u0130\u015fletmenizi BirSIEM ile Nas\u0131l G\u00fc\u00e7lendirirsiniz?<\/a> yaz\u0131m\u0131zda bahsetti\u011fimiz gibi, eBPF verileri SIEM sistemlerine entegre edilerek kapsaml\u0131 bir g\u00fcvenlik analizi sa\u011flanabilir.<\/p>\n<h2 id=\"section-7\">Sonu\u00e7<\/h2>\n<p>eBPF, Kubernetes ortamlar\u0131nda a\u011f izleme ve g\u00fcvenli\u011fi devrim niteli\u011finde de\u011fi\u015ftiren g\u00fc\u00e7l\u00fc bir teknolojidir. Derinlemesine a\u011f izleme, geli\u015fmi\u015f g\u00fcvenlik ve d\u00fc\u015f\u00fck performans etkisi gibi avantajlar\u0131 sayesinde, eBPF, modern uygulama geli\u015ftirme ve da\u011f\u0131t\u0131m\u0131n\u0131n vazge\u00e7ilmez bir par\u00e7as\u0131 haline geliyor. BirCloud olarak, m\u00fc\u015fterilerimize eBPF&#8217;nin g\u00fcc\u00fcn\u00fc en \u00fcst d\u00fczeye \u00e7\u0131karmak ve Kubernetes ortamlar\u0131n\u0131 daha g\u00fcvenli ve verimli hale getirmek i\u00e7in yard\u0131mc\u0131 olmaktan mutluluk duyuyoruz. eBPF&#8217;nin sundu\u011fu potansiyeli ke\u015ffedin ve bulut altyap\u0131n\u0131z\u0131 BirCloud&#8217;un uzmanl\u0131\u011f\u0131yla g\u00fc\u00e7lendirin.<\/p>\n<div class=\"bircloud-faq\">\n<h2>\u2753 S\u0131k Sorulan Sorular<\/h2>\n<div class=\"faq-item\">\n<h3>eBPF nedir?<\/h3>\n<p>eBPF (extended Berkeley Packet Filter), \u00e7ekirdek seviyesinde programlar \u00e7al\u0131\u015ft\u0131rmay\u0131 m\u00fcmk\u00fcn k\u0131lan bir teknolojidir. A\u011f trafi\u011fini izleyebilir, uygulama performans\u0131n\u0131 analiz edebilir ve g\u00fcvenlik politikalar\u0131n\u0131 uygulayabilir.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<h3>eBPF&#039;nin Kubernetes&#039;teki avantajlar\u0131 nelerdir?<\/h3>\n<p>Derinlemesine a\u011f izleme, geli\u015fmi\u015f g\u00fcvenlik, d\u00fc\u015f\u00fck performans etkisi ve esneklik gibi avantajlar sunar.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<h3>eBPF&#039;yi Kubernetes&#039;te nas\u0131l kullanmaya ba\u015flayabilirim?<\/h3>\n<p>eBPF ara\u00e7lar\u0131n\u0131 kurarak, eBPF programlar\u0131 yazarak ve bu programlar\u0131 Kubernetes ortam\u0131nda \u00e7al\u0131\u015ft\u0131rarak ba\u015flayabilirsiniz.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<h3>BirCloud eBPF konusunda nas\u0131l yard\u0131mc\u0131 olabilir?<\/h3>\n<p>eBPF dan\u0131\u015fmanl\u0131\u011f\u0131, \u00e7\u00f6z\u00fcm geli\u015ftirme, entegrasyon ve y\u00f6netim hizmetleri sunarak eBPF&#039;nin g\u00fcc\u00fcn\u00fc en \u00fcst d\u00fczeye \u00e7\u0131karman\u0131za yard\u0131mc\u0131 olabiliriz.<\/p>\n<\/div>\n<\/div>\n<div class=\"bircloud-related-posts\">\n<h2>\ud83d\udcda \u0130lgili Yaz\u0131lar<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/02\/13\/argo-cd-gitops-surekli-teslim-ileri-duzey-stratejiler\/\">Argo CD ile GitOps Tabanl\u0131 S\u00fcrekli Teslimde \u0130leri D\u00fczey Stratejiler: \u00c7oklu K\u00fcme Y\u00f6netimi ve G\u00fcvenlik<\/a><\/li>\n<li><a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/11\/09\/argo-cd-gitops-guvenlik-surekli-dagitim\/\">Argo CD ile GitOps Tabanl\u0131 S\u00fcrekli Da\u011f\u0131t\u0131m\u0131n G\u00fcvenli\u011fi: Kapsaml\u0131 Bir Rehber<\/a><\/li>\n<li><a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/11\/09\/argo-cd-gitops-surekli-dagitim-stratejileri-ileri-duzey\/\">Argo CD ile GitOps Tabanl\u0131 S\u00fcrekli Da\u011f\u0131t\u0131m Stratejileri: \u0130leri D\u00fczey Teknikler ve En \u0130yi Uygulamalar<\/a><\/li>\n<li><a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/10\/01\/kubernetes-ebpf-proaktif-ag-izleme-sifir-guvenlik\/\">Kubernetes Ortamlar\u0131nda eBPF ile Proaktif A\u011f \u0130zleme ve S\u0131f\u0131r G\u00fcvenlik Yakla\u015f\u0131m\u0131<\/a><\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Kubernetes ortamlar\u0131nda eBPF kullanarak a\u011f trafi\u011fini izleyin ve g\u00fcvenli\u011fi art\u0131r\u0131n. Bu kapsaml\u0131 rehber, eBPF&#8217;nin ne oldu\u011funu, avantajlar\u0131n\u0131 ve nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 anlat\u0131r.<\/p>\n","protected":false},"author":1,"featured_media":3074,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[160],"tags":[177,159,165,161,164,155],"class_list":["post-3075","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bulut-bilisim","tag-ag-izleme","tag-bircloud","tag-bulut-bilisim","tag-ebpf","tag-guvenlik","tag-kubernetes"],"_links":{"self":[{"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/posts\/3075","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/comments?post=3075"}],"version-history":[{"count":1,"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/posts\/3075\/revisions"}],"predecessor-version":[{"id":3076,"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/posts\/3075\/revisions\/3076"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/media\/3074"}],"wp:attachment":[{"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/media?parent=3075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/categories?post=3075"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/tags?post=3075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}