{"id":468,"date":"2021-03-11T15:31:24","date_gmt":"2021-03-11T07:31:24","guid":{"rendered":"https:\/\/blog.73007300.xyz\/?p=468"},"modified":"2021-03-12T21:58:41","modified_gmt":"2021-03-12T13:58:41","slug":"%e9%80%9a%e8%bf%87%e7%a6%81%e7%94%a8tso%e8%a7%a3%e5%86%b3%e6%97%a0%e6%b3%95%e8%af%86%e5%88%ab%e5%a4%a7pcap%e5%8c%85%e7%9a%84%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/blog.73007300.xyz\/?p=468","title":{"rendered":"\u901a\u8fc7\u7981\u7528TSO\u89e3\u51b3\u65e0\u6cd5\u8bc6\u522b\u5927pcap\u5305\u7684\u95ee\u9898"},"content":{"rendered":"\n<p>\u4f7f\u7528TSO(TCP Segmentation Offload) \u7684\u7f51\u5361\uff0c\u53ef\u4f7f\u4e00\u4e2atcp\u5305\u643a\u5e26\u8d85\u8fc71460\u5927\u5c0f\u7684\u6570\u636e\uff0c\u5bfc\u81f4suricata\u548cwireshark\u8bc6\u522b\u4e0d\u6b63\u786e\u3002<br>\u5982\u679c\u60f3suricata\u548cwireshark\u6b63\u786e\u7684\u8bc6\u522b\u5927\u957f\u5ea6\u7684pcap\u5305\uff0c\u9700\u8981\u7981\u7528TSO<br>\u5728Linux\u5185\u6838\u4e2d\u7684\u5b9e\u73b0\u5206\u522b\u662f LSO (Large Send Offload) LRO (Large Receive Offload)<br>\u7981\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ethtool -K ens33 tso off\nethtool -K ens33 gro off\nethtool -K ens33 gso off<\/code><\/pre>\n\n\n\n<p>\u5e76\u5728\u7f51\u5361\u914d\u7f6e\u91cc\u6dfb\u52a0\u5982\u4e0b:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>    offload-tx  off\n    offload-sg  off\n    offload-tso off\n    offload-gso off\n    offload-gro off<\/code><\/pre>\n\n\n\n<p>\u4ee5\u6211\u7684\u4e3a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>root@debian10:~# cat \/etc\/network\/interfaces\n......\nauto lo\niface lo inet loopback\n\n# The primary network interface\nauto ens33\niface ens33 inet dhcp\n    offload-tx  off\n    offload-sg  off\n    offload-tso off\n    offload-gso off\n    offload-gro off\nroot@debian10:~#<\/code><\/pre>\n\n\n\n<p>\u5728windows\u91cc\u7981\u7528\uff0c<a href=\"https:\/\/docs.vmware.com\/en\/VMware-vSphere\/7.0\/com.vmware.vsphere.networking.doc\/GUID-D80AEC2F-E0DA-4172-BFFD-B721BF36C2E8.html\" data-type=\"URL\" data-id=\"https:\/\/docs.vmware.com\/en\/VMware-vSphere\/7.0\/com.vmware.vsphere.networking.doc\/GUID-D80AEC2F-E0DA-4172-BFFD-B721BF36C2E8.html\" target=\"_blank\" rel=\"noreferrer noopener\">\u53c2\u8003<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"673\" height=\"310\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2021\/03\/\u56fe\u7247.png\" alt=\"\" class=\"wp-image-469\" srcset=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2021\/03\/\u56fe\u7247.png 673w, https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2021\/03\/\u56fe\u7247-300x138.png 300w\" sizes=\"(max-width: 673px) 100vw, 673px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"804\" height=\"602\" src=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2021\/03\/\u56fe\u7247-1.png\" alt=\"\" class=\"wp-image-470\" srcset=\"https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2021\/03\/\u56fe\u7247-1.png 804w, https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2021\/03\/\u56fe\u7247-1-300x225.png 300w, https:\/\/blog.73007300.xyz\/wp-content\/uploads\/2021\/03\/\u56fe\u7247-1-768x575.png 768w\" sizes=\"(max-width: 804px) 100vw, 804px\" \/><\/figure>\n\n\n\n<p>\u53c2\u8003\uff1a<br><a href=\"https:\/\/meet-unix.org\/2017-02-19-tcp-lso.html\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/meet-unix.org\/2017-02-19-tcp-lso.html <\/a><br><a href=\"https:\/\/forum.suricata.io\/t\/cant-detect-amq-message\/1203\/4\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/forum.suricata.io\/t\/cant-detect-amq-message\/1203\/4 <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528TSO(TCP Segmentation Offload) \u7684\u7f51\u5361\uff0c\u53ef\u4f7f\u4e00\u4e2atcp\u5305\u643a\u5e26\u8d85\u8fc71460\u5927\u5c0f\u7684\u6570\u636e\uff0c\u5bfc\u81f4suricata\u548cwireshark\u8bc6\u522b\u4e0d\u6b63\u786e\u3002\u5982\u679c\u60f3suricata\u548cwireshark\u6b63\u786e\u7684\u8bc6\u522b\u5927\u957f\u5ea6\u7684pcap\u5305\uff0c\u9700\u8981\u7981\u7528TSO\u5728Linux\u5185\u6838\u4e2d\u7684\u5b9e\u73b0\u5206\u522b\u662f LSO (Large Send Offload) LRO (Large Receive Offload)\u7981\u7528\u7684\u65b9\u6cd5\uff1a \u5e76\u5728\u7f51\u5361\u914d\u7f6e\u91cc\u6dfb\u52a0\u5982\u4e0b: \u4ee5\u6211\u7684\u4e3a\u4f8b\uff1a \u5728windows\u91cc\u7981\u7528\uff0c\u53c2\u8003 \u53c2\u8003\uff1ahttps:\/\/meet-unix.org\/2017-02-19-tcp-lso.html https:\/\/forum.suricata.io\/t\/cant-detect-amq-message\/1203\/4<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,2],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/468"}],"collection":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=468"}],"version-history":[{"count":1,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/468\/revisions"}],"predecessor-version":[{"id":471,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=\/wp\/v2\/posts\/468\/revisions\/471"}],"wp:attachment":[{"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.73007300.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}