Cisco Secure Email Virtual Gateway
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重要資料
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近期資安公告
- 06-Nov-2023
- 11-Apr-2023
- 14-Nov-2022
- 03-May-2022
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資安公告
- Cisco Email Security Appliance Memory Corruption Denial of Service Vulnerability
- Cisco Virtual WSA, ESA, and SMA Default SSH Host Keys Vulnerability
- Multiple Default SSH Keys Vulnerabilities in Cisco Virtual WSA, ESA, and SMA
安全建議、回應和注意事項
- Field Notice: FN72230 - Virtual Email Security Appliance/Security Management Appliance Upgrade Fails Due to Small Nextroot Partition Size - Workaround Provided
- Field Notice: FN - 72557 - Cisco Secure Email Gateway: Update Needed to Certificate Authority Trust Store to Avoid Failure of Cisco Aggregator Service - Software Upgrade Recommended
- Field Notice: FN - 72502 - Secure Web, Secure Management, and Secure Email Virtual Appliances Might Not Receive Updates After January 13, 2023 - Configuration Change Recommended
- Field Notice: FN - 72389 - Cisco Secure Email Gateway: Talos Domain Age Update - Configuration Change Recommended
- Field Notice: FN - 72113 - ESA/WSA: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Other Functionality - Software Upgrade Recommended
- Field Notice: FN - 72106 - Email Security Appliance: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Other Functionality - Software Upgrade Recommended
- Field Notice: FN - 72181 - ESA/WSA - TLS 1.0 and 1.1 Deprecation Affects Connectivity with AMP Cloud - Software Upgrade Recommended
- Field Notice: FN - 70571 - WSA/ESA - TLS 1.0 and 1.1 Deprecation Affects Reporting to Cisco Threat Grid - Software Upgrade Recommended
- Field Notice: FN - 72210 - Email Security Appliance Talos Intelligence Connection Update - Software Upgrade Recommended
- Field Notice: FN - 70490 - Virtual ESA/WSA/SMA Updates and Upgrades Will Fail After Smart License Migration if the XML File Expires - Workaround Provided
- Field Notice: FN - 64277 - WSA/ESA - Update Necessary for Support of New McAfee 5800 Engine on Cisco Web and Email Security Appliances - Software Upgrade Recommended
- Field Notice: FN - 64177 - Change in IP Addresses Used for Static Updates by Email and Web Security Appliances and Content Security Management Appliance - Workaround Provided
- Field Notice: FN - 64111 - Cisco Email Security Appliance (ESA) - Change in URL Reputation Feature Servers Requires Configuration Change in Order to Avoid Work Queue Backups - Configuration Change Recommended
- Field Notice: FN - 64023 - Cisco Email Security Appliances - Change in Suspect Range of URL Web Based Reputation Score Used by URL Reputation Feature - Workaround Provided
欄位聲明
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安裝與升級
- 為什麼在AsyncOS升級後禁用TLS 1.0版
安裝和升級技術筆記
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設定
- 設定安全電子郵件閘道的寄件者網域例外清單
- 手動刪除思科安全電子郵件網關的日誌
- 將OKTA與ESA整合以進行SAML身份驗證
- 配置內容過濾器以監控SPF和DKIM驗證
- 如何通過思科郵件安全裝置允許模擬網路釣魚平台活動
- 如何應用因分割槽大小過小而無法升級的Cisco vESA/vSMA的解決方法
- 為暫存更新配置思科郵件安全和安全管理
- Cisco RES：虛擬、託管和硬體ESA的帳戶調配配置示例
- 有關思科安全管理裝置(SMA)的「開拓者」CLI命令的管理詳細資訊
- 使用自定義配置檔案安裝思科郵件安全外掛
- 如何記錄訊息標頭？
- bounceconfig中的「initial... wait」和「maximum... wait」值之間的關係是什麼
- 如何應對沒有主題或郵件正文的垃圾郵件
- ESA常見問題：什麼是郵件流策略？
- ESA常見問題：設定集群有哪些要求？
- 如何將思科郵件安全裝置(ESA)的交付速率限制為特定域或主機？
- ESA常見問題：ESA提供哪些級別的管理訪問？
- 可以使用郵件過濾器對電子郵件應用什麼型別的操作？
- ESA常見問題：如何立即強制下載Sophos或McAfee防病毒更新？
配置示例和技術筆記
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維護與營運
- 匯出和匯入ESA HAT以新增多個條目
維護和運作技術筆記
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疑難排解
- 找到My Content Security Appliance的序列號
- 關閉郵件安全裝置(ESA)
- ESA/SMA虛擬部署常見問題
- 如何在CRES的網域中鎖定使用者帳戶？
- ESA常見問題：什麼是監聽器？
- ESA常見問題：什麼是消息ID(MID)、注入連線ID(ICID)或傳遞連線ID(DCID)?
- ESA常見問題：如果我在ESA上啟用Sophos或McAfee防病毒，是否仍需要案頭防病毒？
- ESA常見問題：如何立即強制下載Sophos或McAfee防病毒更新？
Support FAQ
- 使用GUI或CLI升級電子郵件安全裝置(ESA)
- 啟用域對映功能以重定向電子郵件
- 疑難排解警示訊息-系統正在速率限制信封寄件者
- 在ESA上為TLS建立證書設定指南
- 對虛擬SEG錯誤清單伺服器錯誤進行故障排除
- URL 'https:///v1/clouds'：將Secure Email Gateway升級到15版本後未提供主機
- 引入密碼保護檔案分析(PPFA)
- 排除外部威脅源故障的最主要原因
- 從CES ESA和CMD的GUI下載日誌
- 確定vESA、vWSA或vSMA虛擬許可證的最佳做法
- 瞭解針對電子郵件和Web安全的智慧許可概述和最佳實踐
- 使用退貨授權
- 使用API在SMA上的SL/BL中新增發件人
- 在郵件安全裝置中搜尋和檢視SAML身份驗證
- ESA瞭解電子郵件地址的SLBL評估
疑難排解技術筆記
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