如何确定美国服务器是否被CC攻击
中文:
如何确定美国服务器是否被CC攻击
提到DDoS攻击也许许多人都不会陌生。而其中的一种类型—CC攻击是一种利用大量机器模拟正常用户对服务器进行高频率访问的攻击方式。这种攻击手段一旦袭击某个网站会让这个网站的服务器负荷骤增最终造成服务器崩溃。那么如果你怀疑自己的服务器正遭受CC攻击该如何去确认呢
1. 检查流量
在CC攻击中攻击者通过大量虚假请求占据服务器带宽导致合法流量被挤压并分配不均衡。因此服务器的流量情况是判断服务器是否遭受CC攻击很好的指标。如果服务器突然出现流量的异常增长且没有明显的流量来自于搜索引擎和社交媒体则可能存在CC攻击。
2. 检查服务器日志
服务器日志记录了服务器上的每个访问请求、每次响应及其之间的时间差。可以通过分析服务器日志来找到存在恶意IP地址的迹象。如果发现一个或多个ip地址频繁访问同一个页面则很有可能存在CC攻击。
3. 检查连接数
在CC攻击中攻击者会占用很多连接导致合法用户无法正常连接。因此可以通过检查每个IP地址的连接数以识别潜在的CC攻击。如果发现IP地址连接数异常地高且该地址没有明显的访问来源则有可能存在CC攻击。
4. 检查CPU和内存使用情况
在CC攻击中由于攻击者不断发起请求服务器的CPU和内存使用率会急剧上升。因此如果看到服务器的CPU和内存的使用率异常地高则有可能是由于CC攻击导致的。
如果以上方法都无法判断服务器是否遭受CC攻击则可以考虑使用专业防御工具进行排除。
英语:
How to Determine If a US Server Is Under CC Attack?
When it comes to DDoS attacks, the term may not be unfamiliar to many people. One type of such attacks - CC attack is a way of attacking the server by simulating normal user requests with a large number of machines. This type of attack can cause a sudden increase in server load and eventually cause the server to crash. So, how can we confirm if our server is under a CC attack?
1. Check the traffic
In a CC attack, attackers occupy the server's bandwidth through a large number of false requests, causing legitimate traffic to be squeezed and distributed unevenly. Therefore, the traffic situation on the server is a good indicator to determine whether the server is under a CC attack. If there is a sudden abnormal increase in traffic on the server and there is no obvious traffic from search engines or social media, there may be a CC attack.
2. Check server logs
Server logs record every access request, response, and the time difference between them on the server. By analyzing server logs, you can find signs of malicious IP addresses. If you find one or more IP addresses frequently accessing the same page, there may be a CC attack.
3. Check the number of connections
In a CC attack, attackers occupy many connections, making it impossible for legitimate users to connect properly. Therefore, you can identify potential CC attacks by checking the number of connections per IP address. If you find that the number of connections per IP address is exceptionally high, and there is no obvious source of access for that address, there may be a CC attack.
4. Check CPU and memory usage
In a CC attack, due to the continuous requests submitted by attackers, the CPU and memory usage of the server will sharply increase. Therefore, if you see an abnormal increase in CPU and memory usage on the server, there may be a CC attack.
If none of the above methods can determine whether the server is under a CC attack, consider using professional defense tools to rule out the possibility of an attack.
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