{"id":69,"date":"2010-09-15T11:10:53","date_gmt":"2010-09-15T15:10:53","guid":{"rendered":"http:\/\/blog.wavecrestcomputing.com\/?p=69"},"modified":"2011-06-21T11:17:22","modified_gmt":"2011-06-21T15:17:22","slug":"detecting-and-controlling-unauthorized-outbound-connections","status":"publish","type":"post","link":"https:\/\/blog.wavecrest.net\/index.php\/detecting-and-controlling-unauthorized-outbound-connections\/","title":{"rendered":"Detecting and Controlling Unauthorized Outbound Connections"},"content":{"rendered":"

Do you have a good handle on all outbound connections from your network, and how do you know?\u00a0 Many times legitimate programs and applications downloaded are creating outbound connections without your knowledge or approval.\u00a0 This can cause a serious drain on an organization’s network resources.\u00a0 This exact scenario recently happened to a Wavecrest customer, and with the help of Wavecrest’s reports and technical support specialists, they were able to locate a program that was making 1,400+ outbound connections a day without their knowledge.<\/p>\n

Many times, a program like this can be running in the background without the organization’s knowledge and is not necessarily identifiable in the process table.\u00a0 It can only be caught if an organization is monitoring outbound Web connections through reports such as the ones in Wavecrest’s Cyfin and CyBlock products.<\/p>\n

In this particular scenario, the customer became knowledgeable of these unauthorized outbound connections because there were a couple of users being locked out of their computers.\u00a0 To troubleshoot the issue, they along with Wavecrest technical support used the Authentication Manager in their CyBlock Proxy<\/a> product to investigate.\u00a0 They found that the users’ computers were creating some outbound traffic that was not authenticating with the proper credentials, thus eventually locking the users out due to an authentication security setting the organization had on their Active Directory configuration.\u00a0 By using the Authentication Manager, Real-time Web Monitor<\/a> and other reports, our technical support specialists were able to identify the file that was making these unauthorized outbound connections and remove it from the computers.<\/p>\n

This scenario proves that it is important to be aware of what is going on in your network, and Wavecrest’s products can help IT administrators do that. There are several steps you can take to prevent and identify these types of problems in your network.<\/p>\n

    \n
  1. Use reporting tools to spot unusual activity<\/strong>.\n
      \n
    1. Look for unusual patterns of Web activity.<\/strong>\n
        \n
      1. Review Dashboard trends to spot any unexpected spikes in activity.<\/li>\n
      2. Review Dashboard top sites and top categories charts to find any unexpected sites or categories showing up in the top ten all of the sudden.<\/li>\n
      3. Run a Site Analysis report at least once a week and be alert to changes in the volume and pattern of outbound Web activity. For example, if a single user is suddenly logging thousands of visits a day, chances are there’s an issue. That\u2019s because \u201chuman\u201d activity is usually more random.<\/li>\n<\/ol>\n<\/li>\n
      4. Watch the following categories: IP Address, Spyware\/Malicious, Unsolicited or Push, Phishing\/Fraud and Uncategorized “Other” Sites.<\/strong> High activity in these categories should raise a red flag for administrators. High traffic volume here warrants further investigation.<\/li>\n
      5. Identify the source of the problem.<\/strong> Dig deeper by running a Category Audit Detail report to uncover both the site and the affected user. If your Category Audit Detail report shows an unusual number of hits to a specific Web site, that site is most likely the source of the issue.\u00a0 You can also monitor the traffic in real time using the Real-Time Monitor<\/a> to uncover the site causing the problem.<\/li>\n<\/ol>\n<\/li>\n
      6. Update your Web-use management tools.<\/strong>\n
          \n
        1. Update your Acceptable Use Policy.<\/strong> Employees need to understand the risks of Web surfing. Minimize risks of Internet abuse by implementing a policy to curtail at-work surfing and communicate it clearly to employees.<\/li>\n
        2. Update your Wavecrest list.<\/strong> The Wavecrest control list is updated daily. We recommend downloading your Wavecrest control list daily to minimize the number of visits categorized as \u201cOther\u201d and ensure the best coverage possible. You can set Cyfin and CyBlock to do this automatically on the Administration – URL List – Schedule<\/strong> screen. (Note:<\/strong> If you spot a problem Web site that is uncategorized, email it to us at sites@wavecrest.net. Our site analysts will review the site and categorize it appropriately.)<\/li>\n<\/ol>\n<\/li>\n
        3. Contact Wavecrest Technical Support.<\/strong> Our support specialist are always eager to help you troubleshoot any issues you are having by helping you get the best out of the features and tools our products offer.<\/li>\n<\/ol>\n

          For more information on how Wavecrest’s products can help keep your network safe, we recommend you read our previous blog post on “Controlling Spyware<\/a>” and “The Purpose of the IP Address Category<\/a>.”<\/p>\n

          Note:<\/strong> The program in question that is addressed in this post is the Akamai NetSession Interface<\/strong>. It was hitting cn1.redswoosh.akadns.net and cn2.redswoosh.akadns.net 1400+ times a day. The program was located at C:\\Program Files\\Common Files\\Akamai\\AdminTool.exe. To remove the program with Wavecrest’s help, the customer:<\/p>\n

            \n
          1. Opened the Command Prompt<\/li>\n
          2. Went to the folder location by typing”Program Files\\Common Files\\Akamai”<\/li>\n
          3. Then typed “admin uninstall-force” to remove it.<\/li>\n<\/ol>\n

            Remember:<\/strong> Our technical support specialists are here to help. If you ever need help with your product configuration or see something unusual in a report or on the real-time monitor that you are unsure about, please feel free to contact Wavecrest technical support, and they will be happy to help you.<\/p>\n

            Technical Support Contact Information<\/strong>
            \nDirect: 321-953-5351, ext. 4
            \nToll-Free: 877-442-9346 ext. 4
            \nEmail: support@wavecrest.net<\/p>\n","protected":false},"excerpt":{"rendered":"

            Do you have a good handle on all outbound connections from your network, and how do you know?\u00a0 Many times legitimate programs and applications downloaded are creating outbound connections without your knowledge or approval.\u00a0 This can cause a serious drain on an organization’s network resources.\u00a0 This exact scenario recently happened to a Wavecrest customer, and […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77,11,12,9,206,18],"tags":[193,253,131,252,7,251,104],"class_list":["post-69","post","type-post","status-publish","format-standard","hentry","category-bandwidth-issues","category-cyblock","category-cyfin","category-security-threats","category-tech-tips","category-wavecrest-computing","tag-authentication-manager","tag-minimize-internet-risks","tag-network-security","tag-real-time-monitor","tag-spyware","tag-unauthorized-outbound-connections","tag-web-reporting"],"yoast_head":"\nDetecting and Controlling Unauthorized Outbound Connections - Wavecrest Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.wavecrest.net\/index.php\/detecting-and-controlling-unauthorized-outbound-connections\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Detecting and Controlling Unauthorized Outbound Connections - Wavecrest Blog\" \/>\n<meta property=\"og:description\" content=\"Do you have a good handle on all outbound connections from your network, and how do you know?\u00a0 Many times legitimate programs and applications downloaded are creating outbound connections without your knowledge or approval.\u00a0 This can cause a serious drain on an organization’s network resources.\u00a0 This exact scenario recently happened to a Wavecrest customer, and […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.wavecrest.net\/index.php\/detecting-and-controlling-unauthorized-outbound-connections\/\" \/>\n<meta property=\"og:site_name\" content=\"Wavecrest Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/WebFiltering\" \/>\n<meta property=\"article:published_time\" content=\"2010-09-15T15:10:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2011-06-21T15:17:22+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@wavecrestnet\" \/>\n<meta name=\"twitter:site\" content=\"@wavecrestnet\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/blog.wavecrest.net\/index.php\/detecting-and-controlling-unauthorized-outbound-connections\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/blog.wavecrest.net\/index.php\/detecting-and-controlling-unauthorized-outbound-connections\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/blog.wavecrest.net\/#\/schema\/person\/49694141f524c27bbdfca11c590820cc\"},\"headline\":\"Detecting and Controlling Unauthorized Outbound Connections\",\"datePublished\":\"2010-09-15T15:10:53+00:00\",\"dateModified\":\"2011-06-21T15:17:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/blog.wavecrest.net\/index.php\/detecting-and-controlling-unauthorized-outbound-connections\/\"},\"wordCount\":849,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/blog.wavecrest.net\/#organization\"},\"keywords\":[\"authentication manager\",\"minimize internet risks\",\"network security\",\"real-time monitor\",\"Spyware\",\"unauthorized outbound connections\",\"web reporting\"],\"articleSection\":[\"Bandwidth Issues\",\"CyBlock\",\"Cyfin\",\"Security Threats\",\"Tech Tips\",\"Wavecrest Computing\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/blog.wavecrest.net\/index.php\/detecting-and-controlling-unauthorized-outbound-connections\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.wavecrest.net\/index.php\/detecting-and-controlling-unauthorized-outbound-connections\/\",\"url\":\"https:\/\/blog.wavecrest.net\/index.php\/detecting-and-controlling-unauthorized-outbound-connections\/\",\"name\":\"Detecting and Controlling Unauthorized Outbound Connections - 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