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恐怕我的VPS服務器被攻擊爲後綴的日誌有數百行與這些消息:可能的攻擊
May 24 10:50:32 ukvps postfix/smtpd[29971]: warning: hostname xep9.flink.uz does not resolve to address 91.234.218.9: Name or service not known
May 24 10:50:32 ukvps postfix/smtpd[29971]: connect from unknown[91.234.218.9]
May 24 10:50:33 ukvps postfix/smtpd[29971]: lost connection after UNKNOWN from unknown[91.234.218.9]
May 24 10:50:33 ukvps postfix/smtpd[29971]: disconnect from unknown[91.234.218.9]
May 24 10:53:53 ukvps postfix/anvil[29724]: statistics: max connection rate 77/60s for (smtp:91.234.218.9) at > May 24 10:48:31
May 24 10:53:53 ukvps postfix/anvil[29724]: statistics: max connection count 1 for (smtp:91.234.218.9) at > May 24 10:47:31
May 24 10:53:53 ukvps postfix/anvil[29724]: statistics: max cache size 1 at May 24 10:47:31
May 26 10:51:56 ukvps postfix/smtpd[13694]: warning: hostname myco-bio.com does not resolve to address 112.72.13.230
May 26 10:51:56 ukvps postfix/smtpd[13694]: connect from unknown[112.72.13.230]
May 26 10:51:57 ukvps postfix/smtpd[13694]: lost connection after UNKNOWN from unknown[112.72.13.230]
May 26 10:51:57 ukvps postfix/smtpd[13694]: disconnect from unknown[112.72.13.230]
May 26 10:52:19 ukvps postfix/smtpd[13694]: warning: hostname myco-bio.com does not resolve to address 112.72.13.230
May 26 10:52:19 ukvps postfix/smtpd[13694]: connect from unknown[112.72.13.230]
May 26 10:52:20 ukvps postfix/anvil[12258]: statistics: max connection rate 8/60s for (smtp:112.72.13.230) at May 26 10:42:43
May 26 10:52:20 ukvps postfix/anvil[12258]: statistics: max connection count 1 for (smtp:112.72.13.230) at May 26 10:42:21
May 26 10:52:20 ukvps postfix/anvil[12258]: statistics: max cache size 1 at May 26 10:46:06
II後綴2.9.6-2 AMD64高性能郵件傳輸代理
此外,有些客戶正在回覆我們的域名上不存在的用戶的垃圾郵件投訴。
任何幫助表示讚賞,感謝。