Users may select encryption without specifying authentication, but this action leaves the packets vulnerable to active attacks, which can lead to an outside entity breaking the encryption.
用户可以选择不用特定的认证进行加密，但是这样会让包容易受到攻击，导致让别人破坏加密。
Availability is assured at the operating system level, allowing for transparent mitigation of active and passive network denial-of-service attacks.
它在操作系统级确保可用性，可以透明地缓解主动和被动网络拒绝服务攻击。
Active from May to late June, when it claims to have disbanded, LulzSec's hallmark was prankish attacks accompanied by public mockery.
一直从五月活跃到七月末，它忽然宣布解散。LulzSec特点就是在公众的嘲笑下恶作剧般的攻击。
We believe that this increase is caused by a stronger sense of security, an increasing number of attacks and active attackers.
我们认为，这一增长是由更强的安全意识、不断增加的攻击面和活跃的攻击者等因素造成的。
The public key cryptosystem secure against chosen ciphertext attacks is a very strong secure cryptosystem and is a useful primitive for designing protocols that resisting active adversary.
抗选择密文攻击公钥密码体制是安全性很高的密码体制，它是设计抗主动攻击的协议非常有用的工具。
Virus attacks on the system is active, not to the will of the people.
病毒对系统的攻击是主动的，不以人的意志为转移的。
At the start of the study, those who had an active daily life were at much less risk of heart attacks – even if they did not exercise – than those with low levels of daily activity.
实验初始，那些平时活力十足的人，即使平常不锻炼，心脏病发作的风险也也比平时活动少的人低得多。
As an active intrusion detection security protection technology, intrusion detection provides internal attacks and external attacks and misuse of the real-time protection.
入侵检测作为一种主动的安全防护技术。提供对内部攻击、外部攻击和误操作的实时保护。
To withstand the ARP attacks, an algorithm using an active technique to detect the ARP attacks was proposed.
为了能有效对抗ARP攻击，提出一种采用主动检测技术的算法。
While Beyond the Veil is active, the warrior gains a moderate chance of resisting hostile spells, and attacks now deal spirit damage, bypassing enemy armor (magic resistance + 5, spirit damage + 5%).
当激活帷幕彼岸时，战士获得一定抵挡负面法术的概率，所有攻击为灵魂伤害，无视对方护甲(法术抵抗+ 5%，灵魂伤害+ 5%)。
The protocol USES HMAC to guarantee the client being active, then protects leasing from attacks. 5 in the aspect of UOWHF discovery, tree-Shoup construction is put forward in this paper.
该协议灵活运用HMAC，确保代理每次租借时客户总是“激活的”，从而尽量避免恶意攻击。
The protocol USES HMAC to guarantee the client being active, then protects leasing from attacks. 5 in the aspect of UOWHF discovery, tree-Shoup construction is put forward in this paper.
该协议灵活运用HMAC，确保代理每次租借时客户总是“激活的”，从而尽量避免恶意攻击。
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