{"id":3408,"date":"2025-09-04T09:47:00","date_gmt":"2025-09-04T06:47:00","guid":{"rendered":"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/09\/04\/kubernetes-ebpf-derinlemesine-ag-izleme-gelismis-guvenlik\/"},"modified":"2026-04-04T17:26:12","modified_gmt":"2026-04-04T14:26:12","slug":"kubernetes-ebpf-derinlemesine-ag-izleme-gelismis-guvenlik","status":"publish","type":"post","link":"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/09\/04\/kubernetes-ebpf-derinlemesine-ag-izleme-gelismis-guvenlik\/","title":{"rendered":"Kubernetes&#8217;te eBPF ile Derinlemesine A\u011f \u0130zleme ve Geli\u015fmi\u015f G\u00fcvenlik Politikalar\u0131"},"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 Avantajlar\u0131<\/a><\/li>\n<li><a href=\"#section-4\">Kubernetes&#8217;te eBPF Kullan\u0131m Senaryolar\u0131<\/a><\/li>\n<li><a href=\"#section-5\">Kurulum ve Ba\u015flang\u0131\u00e7 Rehberi<\/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 uygulamalar\u0131n yayg\u0131n olarak kullan\u0131lan bir orkestrasyon platformu haline geldi. Ancak, Kubernetes ortamlar\u0131n\u0131n karma\u015f\u0131kl\u0131\u011f\u0131, a\u011f trafi\u011fini izlemeyi ve g\u00fcvenli\u011fi sa\u011flamay\u0131 zorla\u015ft\u0131rabilir. \u0130\u015fte bu noktada eBPF (extended Berkeley Packet Filter) devreye giriyor. eBPF, \u00e7ekirdek seviyesinde programlar \u00e7al\u0131\u015ft\u0131rman\u0131za olanak tan\u0131yarak, a\u011f trafi\u011fini derinlemesine analiz etmenizi ve geli\u015fmi\u015f g\u00fcvenlik politikalar\u0131 uygulaman\u0131z\u0131 sa\u011flar. Bu yaz\u0131da, Kubernetes&#8217;te eBPF&#8217;nin ne oldu\u011funu, avantajlar\u0131n\u0131, kullan\u0131m senaryolar\u0131n\u0131 ve nas\u0131l uygulanaca\u011f\u0131n\u0131 detayl\u0131 bir \u015fekilde inceleyece\u011fiz. BirCloud olarak, Kubernetes ve bulut yerel teknolojilerdeki uzmanl\u0131\u011f\u0131m\u0131zla, eBPF&#8217;nin potansiyelini en \u00fcst d\u00fczeye \u00e7\u0131karman\u0131za yard\u0131mc\u0131 oluyoruz.<\/p>\n<h2 id=\"section-2\">eBPF Nedir?<\/h2>\n<p>eBPF (extended Berkeley Packet Filter), Linux \u00e7ekirde\u011finde \u00e7al\u0131\u015fan, olay g\u00fcd\u00fcml\u00fc ve sanalla\u015ft\u0131r\u0131lm\u0131\u015f bir makine kodudur. \u0130lk olarak a\u011f paketlerini filtrelemek i\u00e7in tasarlanm\u0131\u015f olsa da, g\u00fcn\u00fcm\u00fczde sistem \u00e7a\u011fr\u0131lar\u0131n\u0131 izlemek, g\u00fcvenlik politikalar\u0131 uygulamak ve performans analizi yapmak gibi \u00e7e\u015fitli ama\u00e7larla kullan\u0131lmaktad\u0131r. eBPF programlar\u0131, g\u00fcvenli bir \u015fekilde \u00e7ekirde\u011fe y\u00fcklenebilir ve \u00e7al\u0131\u015ft\u0131r\u0131labilir. Bu sayede, \u00e7ekirdek kodunu de\u011fi\u015ftirmeden, sistem davran\u0131\u015f\u0131n\u0131 g\u00f6zlemleyebilir ve de\u011fi\u015ftirebilirsiniz.<\/p>\n<h2 id=\"section-3\">eBPF&#8217;nin Avantajlar\u0131<\/h2>\n<ul>\n<li><b>Y\u00fcksek Performans:<\/b> eBPF programlar\u0131 \u00e7ekirdek seviyesinde \u00e7al\u0131\u015ft\u0131\u011f\u0131 i\u00e7in, kullan\u0131c\u0131 alan\u0131 uygulamalar\u0131na k\u0131yasla \u00e7ok daha h\u0131zl\u0131d\u0131r. Bu, \u00f6zellikle y\u00fcksek trafikli Kubernetes ortamlar\u0131nda \u00f6nemlidir.<\/li>\n<li><b>D\u00fc\u015f\u00fck Ek Y\u00fck:<\/b> eBPF, sistem kaynaklar\u0131n\u0131 minimum d\u00fczeyde t\u00fcketir. Bu sayede, uygulaman\u0131z\u0131n performans\u0131n\u0131 etkilemeden a\u011f trafi\u011fini izleyebilir ve g\u00fcvenlik politikalar\u0131 uygulayabilirsiniz.<\/li>\n<li><b>Esneklik:<\/b> eBPF programlar\u0131, \u00e7e\u015fitli olaylara tepki verecek \u015fekilde tasarlanabilir. Bu, a\u011f trafi\u011fini farkl\u0131 kriterlere g\u00f6re filtrelemenizi, analiz etmenizi ve y\u00f6nlendirmenizi sa\u011flar.<\/li>\n<li><b>G\u00fcvenlik:<\/b> eBPF programlar\u0131, \u00e7ekirdek taraf\u0131ndan do\u011frulan\u0131r ve g\u00fcvenli bir \u015fekilde \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r. Bu, k\u00f6t\u00fc ama\u00e7l\u0131 kodun \u00e7ekirde\u011fe s\u0131zmas\u0131n\u0131 engeller.<\/li>\n<li><b>G\u00f6zlemlenebilirlik:<\/b> eBPF, a\u011f trafi\u011fi ve sistem davran\u0131\u015flar\u0131 hakk\u0131nda detayl\u0131 bilgi sa\u011flar. Bu bilgiler, sorun giderme, performans optimizasyonu ve g\u00fcvenlik analizi i\u00e7in kullan\u0131labilir. <a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/11\/26\/cloud-native-uygulamalar-ebpf-gozlemlenebilirlik-4\/\">Cloud Native Uygulamalar i\u00e7in eBPF ile G\u00f6zlemlenebilirlik: Yeni Nesil \u0130zleme ve Analiz<\/a> yaz\u0131m\u0131zda bu konuya de\u011finmi\u015ftik.<\/li>\n<\/ul>\n<h2 id=\"section-4\">Kubernetes&#8217;te eBPF Kullan\u0131m Senaryolar\u0131<\/h2>\n<p>eBPF, Kubernetes ortamlar\u0131nda \u00e7e\u015fitli kullan\u0131m senaryolar\u0131 sunar:<\/p>\n<ul>\n<li><b>A\u011f \u0130zleme:<\/b> eBPF, a\u011f trafi\u011fini ger\u00e7ek zamanl\u0131 olarak izleyebilir ve analiz edebilir. Bu bilgiler, a\u011f performans\u0131n\u0131 optimize etmek, darbo\u011fazlar\u0131 tespit etmek ve g\u00fcvenlik ihlallerini \u00f6nlemek i\u00e7in kullan\u0131labilir.<\/li>\n<li><b>G\u00fcvenlik Politikalar\u0131:<\/b> eBPF, a\u011f trafi\u011fini belirli kurallara g\u00f6re filtreleyebilir ve y\u00f6nlendirebilir. Bu, g\u00fcvenlik politikalar\u0131n\u0131 uygulamak, yetkisiz eri\u015fimi engellemek ve DDoS sald\u0131r\u0131lar\u0131n\u0131 \u00f6nlemek i\u00e7in kullan\u0131labilir.<\/li>\n<li><b>Service Mesh:<\/b> eBPF, service mesh teknolojileriyle entegre edilerek, a\u011f trafi\u011fini daha verimli bir \u015fekilde y\u00f6netebilir ve g\u00fcvenli\u011fi art\u0131rabilir. <a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/12\/20\/cloud-native-cilium-ebpf-sifir-guven\/\">Cloud Native Uygulamalar i\u00e7in Cilium Service Mesh ve eBPF ile S\u0131f\u0131r G\u00fcven (Zero Trust) Yakla\u015f\u0131m\u0131<\/a> yaz\u0131m\u0131zda service mesh ve eBPF entegrasyonunu inceledik.<\/li>\n<li><b>Y\u00fck Dengeleme:<\/b> eBPF, a\u011f trafi\u011fini farkl\u0131 podlara da\u011f\u0131tarak, y\u00fck dengeleme i\u015flemlerini optimize edebilir. Bu, uygulaman\u0131z\u0131n performans\u0131n\u0131 art\u0131r\u0131r ve kullan\u0131labilirli\u011fini sa\u011flar.<\/li>\n<li><b>G\u00fcvenlik Duvar\u0131:<\/b> eBPF, a\u011f trafi\u011fini analiz ederek k\u00f6t\u00fc ama\u00e7l\u0131 aktiviteleri tespit edebilir ve engelleyebilir. Bu, Kubernetes k\u00fcmenizi d\u0131\u015f tehditlere kar\u015f\u0131 korur.  <a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/11\/24\/cloud-native-uygulamalar-ebpf-guvenlik-duvarlari\/\">Cloud Native Uygulamalar i\u00e7in eBPF Tabanl\u0131 G\u00fcvenlik Duvarlar\u0131: Derinlemesine Bir \u0130nceleme<\/a> yaz\u0131m\u0131zda bu konuya de\u011finmi\u015ftik.<\/li>\n<\/ul>\n<h2 id=\"section-5\">Kurulum ve Ba\u015flang\u0131\u00e7 Rehberi<\/h2>\n<p>eBPF&#8217;yi Kubernetes ortam\u0131n\u0131zda kullanmaya ba\u015flamak i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 izleyebilirsiniz:<\/p>\n<ol>\n<li><b>Gerekli Ara\u00e7lar\u0131 Kurun:<\/b> eBPF programlar\u0131 geli\u015ftirmek ve \u00e7al\u0131\u015ft\u0131rmak i\u00e7in, `bcc` (BPF Compiler Collection) ve `bpftool` gibi ara\u00e7lara ihtiyac\u0131n\u0131z olacakt\u0131r. Bu ara\u00e7lar\u0131, i\u015fletim sisteminizin paket y\u00f6neticisi arac\u0131l\u0131\u011f\u0131yla kurabilirsiniz.<\/li>\n<li><b>eBPF Program\u0131 Geli\u015ftirin:<\/b> eBPF programlar\u0131 genellikle C dilinde yaz\u0131l\u0131r ve `bcc` taraf\u0131ndan derlenir. Program\u0131n\u0131z, a\u011f trafi\u011fini izlemek, g\u00fcvenlik politikalar\u0131 uygulamak veya performans analizi yapmak gibi belirli bir g\u00f6revi yerine getirmelidir.<\/li>\n<li><b>eBPF Program\u0131n\u0131 Y\u00fckleyin:<\/b> eBPF program\u0131n\u0131z\u0131 \u00e7ekirde\u011fe y\u00fcklemek i\u00e7in `bpftool` arac\u0131n\u0131 kullanabilirsiniz. Program\u0131 y\u00fckledikten sonra, a\u011f trafi\u011fini izlemeye ve g\u00fcvenlik politikalar\u0131n\u0131 uygulamaya ba\u015flayabilirsiniz.<\/li>\n<li><b>Kubernetes Entegrasyonu:<\/b> eBPF&#8217;yi Kubernetes ile entegre etmek i\u00e7in, `Cilium` veya `Calico` gibi a\u011f \u00e7\u00f6z\u00fcmlerini kullanabilirsiniz. Bu \u00e7\u00f6z\u00fcmler, eBPF&#8217;yi kullanarak a\u011f trafi\u011fini daha verimli bir \u015fekilde y\u00f6netmenizi ve g\u00fcvenli\u011fi art\u0131rman\u0131z\u0131 sa\u011flar.<\/li>\n<\/ol>\n<p><b>\u00d6rnek eBPF Program\u0131 (A\u011f Trafi\u011fi \u0130zleme):<\/b><\/p>\n<pre><code class=\"language-c\">\n#include &lt;uapi\/linux\/ptrace.h&gt;\n\nBPF_HASH(packet_counts, u32, u64);\n\nint kprobe__tcp_v4_rcv(struct pt_regs *ctx, struct sk_buff *skb) {\n  u32 saddr = skb-&gt;remote_ip4;\n  u64 count = 0;\n  u64 *value = packet_counts.lookup(&amp;saddr);\n  if (value) {\n    count = *value;\n  }\n  count++;\n  packet_counts.update(&amp;saddr, &amp;count);\n  return 0;\n}\n<\/code><\/pre>\n<p>Bu program, TCP paketlerini yakalar ve kaynak IP adresine g\u00f6re paket say\u0131lar\u0131n\u0131 tutar. `bcc` ile derledikten sonra, `bpftool` ile \u00e7ekirde\u011fe y\u00fckleyebilirsiniz.<\/p>\n<h2 id=\"section-6\">BirCloud Perspektifi<\/h2>\n<p>BirCloud olarak, Kubernetes ve bulut yerel teknolojilerdeki uzmanl\u0131\u011f\u0131m\u0131zla, eBPF&#8217;nin potansiyelini en \u00fcst d\u00fczeye \u00e7\u0131karman\u0131za yard\u0131mc\u0131 oluyoruz. M\u00fc\u015fterilerimize, eBPF tabanl\u0131 a\u011f izleme ve g\u00fcvenlik \u00e7\u00f6z\u00fcmleri sunarak, Kubernetes ortamlar\u0131n\u0131n performans\u0131n\u0131 art\u0131rmalar\u0131na, g\u00fcvenli\u011fini sa\u011flamalar\u0131na ve operasyonel maliyetlerini d\u00fc\u015f\u00fcrmelerine yard\u0131mc\u0131 oluyoruz. <a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/12\/08\/kubernetes-ebpf-gelismis-ag-guvenlik-izlemesi-bircloud\/\">Kubernetes\u2019te eBPF ile Derinlemesine A\u011f ve G\u00fcvenlik \u0130zlemesi: BirCloud Uzmanl\u0131\u011f\u0131<\/a> yaz\u0131m\u0131zda bu konuya de\u011finmi\u015ftik.<\/p>\n<p>BirCloud&#8217;un sundu\u011fu eBPF \u00e7\u00f6z\u00fcmleri \u015funlar\u0131 i\u00e7erir:<\/p>\n<ul>\n<li><b>\u00d6zelle\u015ftirilmi\u015f eBPF Programlar\u0131:<\/b> \u0130htiya\u00e7lar\u0131n\u0131za \u00f6zel olarak tasarlanm\u0131\u015f eBPF programlar\u0131 geli\u015ftiriyoruz.<\/li>\n<li><b>Entegrasyon Hizmetleri:<\/b> eBPF&#8217;yi mevcut Kubernetes ortam\u0131n\u0131za entegre ediyoruz.<\/li>\n<li><b>Dan\u0131\u015fmanl\u0131k:<\/b> eBPF&#8217;nin potansiyelini en \u00fcst d\u00fczeye \u00e7\u0131karman\u0131z i\u00e7in size dan\u0131\u015fmanl\u0131k hizmeti sunuyoruz.<\/li>\n<li><b>Y\u00f6netilen Hizmetler:<\/b> eBPF \u00e7\u00f6z\u00fcmlerinizi y\u00f6netiyoruz ve s\u00fcrekli olarak optimize ediyoruz.<\/li>\n<\/ul>\n<h2 id=\"section-7\">Sonu\u00e7<\/h2>\n<p>eBPF, Kubernetes ortamlar\u0131nda a\u011f izleme ve g\u00fcvenlik politikalar\u0131 i\u00e7in devrim niteli\u011finde bir teknolojidir. Y\u00fcksek performans\u0131, d\u00fc\u015f\u00fck ek y\u00fck\u00fc, esnekli\u011fi ve g\u00fcvenli\u011fi sayesinde, Kubernetes k\u00fcmelerinizin performans\u0131n\u0131 art\u0131rman\u0131za, g\u00fcvenli\u011fini sa\u011flaman\u0131za ve operasyonel maliyetlerinizi d\u00fc\u015f\u00fcrmenize yard\u0131mc\u0131 olabilir. BirCloud olarak, eBPF&#8217;nin potansiyelini en \u00fcst d\u00fczeye \u00e7\u0131karman\u0131za ve bulut yerel yolculu\u011funuzda size rehberlik etmeye haz\u0131r\u0131z.<\/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), Linux \u00e7ekirde\u011finde \u00e7al\u0131\u015fan, olay g\u00fcd\u00fcml\u00fc ve sanalla\u015ft\u0131r\u0131lm\u0131\u015f bir makine kodudur.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<h3>eBPF&#039;nin avantajlar\u0131 nelerdir?<\/h3>\n<p>Y\u00fcksek performans, d\u00fc\u015f\u00fck ek y\u00fck, esneklik, g\u00fcvenlik ve g\u00f6zlemlenebilirlik.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<h3>eBPF Kubernetes&#039;te nas\u0131l kullan\u0131l\u0131r?<\/h3>\n<p>A\u011f izleme, g\u00fcvenlik politikalar\u0131, service mesh, y\u00fck dengeleme ve g\u00fcvenlik duvar\u0131 gibi \u00e7e\u015fitli ama\u00e7larla kullan\u0131labilir.<\/p>\n<\/div>\n<div class=\"faq-item\">\n<h3>BirCloud eBPF konusunda nas\u0131l yard\u0131mc\u0131 olabilir?<\/h3>\n<p>\u00d6zelle\u015ftirilmi\u015f eBPF programlar\u0131 geli\u015ftirme, entegrasyon hizmetleri, dan\u0131\u015fmanl\u0131k ve y\u00f6netilen hizmetler sunarak 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\/04\/24\/cloud-native-uygulamalar-ebpf-gozlemlenebilirlik-yeni-nesil-izleme\/\">Cloud Native Uygulamalar \u0130\u00e7in eBPF Tabanl\u0131 G\u00f6zlemlenebilirlik: Yeni Nesil \u0130zleme ve Performans Analizi<\/a><\/li>\n<li><a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/03\/11\/terraform-cloud-guvenli-isbirlikci-acik-kaynak-altyapi-yonetimi\/\">Terraform Cloud ile G\u00fcvenli ve \u0130\u015fbirlik\u00e7i A\u00e7\u0131k Kaynak Altyap\u0131 Y\u00f6netimi<\/a><\/li>\n<li><a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/04\/27\/kubernetes-ebpf-gelismis-ag-gozlemi-guvenlik\/\">Kubernetes&#039;te eBPF ile Derinlemesine A\u011f G\u00f6zlemi ve Proaktif G\u00fcvenlik<\/a><\/li>\n<li><a href=\"https:\/\/www.bircloud.com\/cloud\/index.php\/2025\/03\/25\/nats-io-dagitik-sistemler-yuksek-performansli-mesajlasma\/\">NATS.io ile Da\u011f\u0131t\u0131k Sistemlerde Y\u00fcksek Performansl\u0131 Mesajla\u015fma: BirCloud&#039;un Uzmanl\u0131\u011f\u0131<\/a><\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Kubernetes ortamlar\u0131nda eBPF kullanarak a\u011f trafi\u011fini derinlemesine izleyin ve geli\u015fmi\u015f g\u00fcvenlik politikalar\u0131 uygulay\u0131n. Performans\u0131 art\u0131r\u0131n ve potansiyel tehditleri \u00f6nleyin.<\/p>\n","protected":false},"author":1,"featured_media":3407,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[160],"tags":[177,165,161,193,155],"class_list":["post-3408","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bulut-bilisim","tag-ag-izleme","tag-bulut-bilisim","tag-ebpf","tag-guvenlik-politikalari","tag-kubernetes"],"_links":{"self":[{"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/posts\/3408","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=3408"}],"version-history":[{"count":1,"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/posts\/3408\/revisions"}],"predecessor-version":[{"id":3409,"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/posts\/3408\/revisions\/3409"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/media\/3407"}],"wp:attachment":[{"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/media?parent=3408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/categories?post=3408"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bircloud.com\/cloud\/index.php\/wp-json\/wp\/v2\/tags?post=3408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}