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全部话题 - 话题: handshakes
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h**o
发帖数: 548
1
跟人讨论了以下,说加一句:
ifconfig addif /16 router UP
然后创建socket时候,bind一下本地
不过测试了以下发现3-way handshake没建起来。
会试以下你的方法。
g*****e
发帖数: 87
2
Lots of firewalls blocks ICMP which means ping might not work at all.
Try to telenet destIPaddress port to see if you can open the port or not.
Install wireshark/ethereal or tcpdump to see if you can start the TCP three
way handshaking process or not. You might be able to see if your nearest
gateway stop you or destination rejects you or something in between.
h**********c
发帖数: 4120
3
Why I mention yahoo mail (Web browser).
Because it is a http -> https -> http sequence.
If it is all http. You can use something like wireshark listen all the
traffic, repeat the get post you have done using Python, c-http etc.
But there is https, there will be a sequence of handshaking exchange. The
TCP port numbers are different. So there must be two sockets to handle it.
I would like to know LZ's case, all traffic is http, https or mixed.
For each situation, how to deal with it?
h**********c
发帖数: 4120
4
来自主题: Programming版 - 版上的大大们能连续编程多久?
Baihua, baiua.
The longest programming -- use SCILAB + Visual C++.
An course assignment of numerical method. The question, use Implicit Euler
method solve Diffusion problem to pass a fold.
Three days no sleep. One week sleep around 20 hours.
Another example, use UDP design handshaking.
same.
Then was young. Now, no bile to do such.
N*****m
发帖数: 42603
5
有什么问题?
无非就是个协议,发什么字节,怎么handshake,明明是个语言agnostic的东西
i**p
发帖数: 902
6
来自主题: Programming版 - TLS client certificate (转载)
【 以下文字转载自 EmergingNetworking 讨论区 】
发信人: isup (No), 信区: EmergingNetworking
标 题: TLS client certificate
发信站: BBS 未名空间站 (Wed Oct 29 11:55:14 2014, 美东)
HTTPS需要TLS的支持. 而在TLS Handshaking Protocols中, TLS client 要回送
certificate(Client)给TLS server. 请问这个certificate(Client)是web browser安
装的吗?
z****e
发帖数: 54598
7
来自主题: Programming版 - node有啥好的地方啊?神马优势啊?

u need to implement ur own handshake protocol
z****e
发帖数: 54598
8
来自主题: Programming版 - node有啥好的地方啊?神马优势啊?

u dont have to implement handshake protocol
all u need to do is create a mechanism
which can reorganize the data that the client app
receives from the server side
k****i
发帖数: 101
9
来自主题: Programming版 - Consistency做好了不容易
Just my 2 cents below,
nodeX<--link-->nodeY
master-master-replicas
T(timeout)
a client request to update X:
X(T)---(1)SYN------>Y
X(T)<--(2)SYN+ACK---Y(T)
X------(3)ACK------>Y(T)
Inconsistency can occur on 3rd handshake. X need re-sync to Y thus meantime
return unavailable status to client requests, implicating A being dropped
for sake of CP.
n********d
发帖数: 7676
10
来自主题: Programming版 - 继续,好虫这个赌约我接了
这个不容易。一个难点在于如果不能换座位,这个问题是NP-Hard的,分配位置的时候
肯定是要greedy算法,比如first available seat。Mark seat availability,linear
search太慢。第二个难点在网络上,千兆不行。不调kernel,千兆大概也就能达到6/
700mbps,一个request有TCP handshake,每个tcp包最短54字节,一兆request每秒肯
定不行。这个还是假设一个TCP连接的情况。1MTCP连接恐怕要用异步。还要调网卡和
kernel参数。5000车次是互相独立的,这个简化问题了。感觉内存IO问题不大,如果是
简单的mark seat, linear search的话。如果用更复杂的数据结构就不好说了。
l***p
发帖数: 358
11
来自主题: Programming版 - port复用
当TCP链接建立之后,
你怎么检测数据到达时,它是一个HTTP请求还是SSL handshake?
h**********c
发帖数: 4120
12
来自主题: Programming版 - gdb vs print or println
叔当年做diffusion problem练习,几百行镶嵌在五六个大循环里。后来写handshaking
大概也这个规模,后来就没觉得写程序是一件很难的事情。
这属于用程序完成一个已经证明的过程--也就是说是个作业。
现实问题过程更复杂,甚至无法证明自洽。
A*******e
发帖数: 2419
13
来自主题: Programming版 - gdb vs print or println
这有啥好骄傲的?几百行镶嵌在五六个大循环里,说明代码写的太差了。

handshaking
z**i
发帖数: 2
14
During ssl handshake, web server give the web browser its certificate.
Web browser usually keep it in some temp file. Does anyone know how I can
read
that server certificate?
Or how can I talk to the Web server give me the certificate through the
Web browser?
Thanks.
D*********s
发帖数: 555
15
你们学校封人的依据是什么呢?流量?那就没戏了,
否则用BT加密handshake+加密traffic应该没问题,不允许plaintext连接。
t**********e
发帖数: 55
16
来自主题: Accounting版 - 报offer
背景:文理学院大四,金融会计双学位,外加两个minor.
申了四大中的一家,本周三面试,周四早上收到offer.
在本版潜水1年多,受益匪浅,niggy前辈的帖子读了很多遍。希望大家找到心仪的工作。
顺便请教各位前辈:听说本科毕业申请H1B要抽签,抽中概率50%-60%。如果抽不中怎么
办?本来想直接F1转H1B,保险起见,先申请OPT是不是好一点?
谢谢。 :)
PS: sharing some of my interview experience with xdjms who are going through
the recruiting process.
For the auditing practice, they focus A LOT on testing your abilities to
work on teams. So make sure you prepare several examples of being a team
player or leader.
For the self-introduction part, demonstrate your co... 阅读全帖
o*****D
发帖数: 1563
17
【 以下文字转载自 Military 讨论区 】
发信人: openBSD (unix), 信区: Military
标 题: 肯定在澳大利亚西侧的南印度洋,看图解释
发信站: BBS 未名空间站 (Sat Mar 15 07:50:11 2014, 美东)
图中圈圈的中心,是inmarsat最后收到handshake信号的时候,卫星所在位置
收到的时间是8:10am +8
这些圈圈是按照收到的request的time-tag,计算出的等距圈
飞机在红色弧线上
如果再以霹雳岛为中心,当时观察到这架飞机是2:40am
到8:10分,大概飞了5个半钟头,大概4000多公里
以霹雳岛为中心,画一个4000多公里的圈,和两个红色弧,有两个交点。
分别是吉尔吉斯斯坦、新疆交界一带,和澳大利亚西岸,南印度洋一带。
较大的可能是澳大利亚。因为前者要经过很多国家,不大可能不被雷达测到。
w***s
发帖数: 7132
18
三十多个国家和地区的Business Culture
2011-04-08 11:26:57 来自: Seraph(中庸之道)
在Leadershp In Organiztion这门课里面,有一章是探讨cuture,每个人都需要写三条
给外国人在自己国家做生意的建议,老师最后搜集整理了发给了大家。因为是写给同学
的,所以大多数都相当真实。非常有意思,也很revealing! 多读几个国家,you'll be
amazed by the the similarity and difference among different cultures!
Tips for Doing Business in my Country
London Business School
Class of Master in Management 2011 students
Austria
Punctuality is important
It is very important to address Austrian business people with their title e.
g. Dr. an... 阅读全帖
l*****n
发帖数: 6
19
来自主题: CivilEngineering版 - 找到组织啦,问个问题
“唉,从小有个梦想就是出国看看,被版上这么多人砸砖~痛啊”
handshake ^_^
可以考虑过去之后转专业,其实跟土木相关的行业还是很多的,并且有理工科背景的去
读商科等等也都很有优势的啦
我个人觉得西部比较好吧,反正我想去California
z*****n
发帖数: 7639
20
Well. In DTE-DCE connection, there is a
positive device (DTE) and a passive device DCE.
RTS/CTS is a 2-way handshake between DTE and DCE
and initiated by DTE...
If you have two DCE, the question is both are
passive...
A possible solution is to force RTS/CTS to the
clear level so that the data will be always sent
without flow control.

server
T******T
发帖数: 3066
21
来自主题: EE版 - A question of a digital design
Couple of ways:
Best way:
1) Use 16 bit x N deep Async FIFO with CLKA as input clk, CLKB as
output clk.
more complicated way, but less gates:
2) Use a handshake mechanism, send a REQ signal from A->B
(synchronized),
hold the databus, then wait for an ACK to sync back to A domain before
proceeding to update the databus.
Bad way:
3) Gray code the databus, then send the full 16bits from A-domain
through 2-3 stages of meta flops for each bit to B-domain.
b*******2
发帖数: 2121
22
来自主题: EE版 - 请问哪里可以修示波器?
实验室有台比较老的示波器 Agilent/HP 54815A Infiniium.
自己做了calibration, 显示handshake 还是什么有错误.
联系了Agilent,被告知机器太老,无法修,要我trade in. 不知道是不是不想修.老板比
较穷,也舍不得trade in 还要花1,2w 去买台新的.
请问有没有哪里可以修的?
非常感谢!
I***a
发帖数: 704
23
来自主题: EE版 - 求ASYNC VLSI 科普
fulcrum, silistix, handshake solutions, sun microsystem的research lab
现在全部垮了

chip
t****t
发帖数: 62
24
来自主题: EE版 - Marvell 电面的一些问题。
answer for 2.
FIFO, more FFs, Handshake FSM
A*5
发帖数: 59
25
来自主题: Environmental版 - 面试归来
上个周得到面试通知后发了贴求建议,大家中肯的建议让我受宠若若惊,埋头准备,今
天上午面试了大概2个小时,汇报一下情况:
面试是10点,我怕堵车,9点就出发了,结果不到20分钟就到了,在车里又自言自语了
半个小时。
着装短袖白衬衫,因为是女式的,领口稍微有点花边,但较正式,黑裤子。
9点50去前台填了一个申请表,然后被安排到小会议室,VP直接过来跟我谈,自始至终
只有他一个人面我。公司的人力资源部在麻省,长岛这个办公室虽然说是总部,但是没
有专门的HR。
面试并不是非常正式,更像是朋友之间交谈,有说有笑,我说话的机会还不太多。有
firm handshake,也注意eyecontact,并且适时微笑,一直坐的也很直。
先是我简单介绍了自己,然后VP开始说公司什么时候成立,主要做哪些项目,我这个职
位主要的任务是什么。我这才了解,外业虽然多,但是我并不太需要自己亲手动手做些
什么,大部分时间是监督。之前担心要求在野外搬50磅以上设备,我还在家加紧练臂力
:(结果人家说,即时有50磅以上的设备需要移动,也会有三角架或者别的杠杆设备辅
助,不会让人生搬~~~ 但是户外工作条件毕竟不比室内,会有
h******u
发帖数: 602
26
来自主题: MedicalCareer版 - A CS protocol from usmleforum
It looks good, but I doubt if this can be done in 15 mintures.
Enjoy.
CS PROTOCOL FOR A CASE OF CHRONIC CHEST PAIN

1) Knock 3 times
2) Mrs.Anderson ? ( Call pt by last name as you partially open the door)
3) Introduce your self: Good morning./afternoon Mrs. Jenny. Did I
pronounce your name correctly? My name is Doctor Steve. Nice to meet you &#
61514;(with a smile and firm handshake). I am your attending physician today
and I am here to ta
s*h
发帖数: 1538
27
来自主题: MedicalCareer版 - Program Director谈Personal Statement
谢谢。下次发帖要加个签名档,求打分。哈哈
PD的帖子真多,我可能要重新发帖整理一下。下面是他的问答的关于女性面试的着装禁
忌,你们也许用的上
Don't wear perfume. I interview lots of candidates and my office is small.
Nothing worse than too much perfume that I don't like...
When you meet your interviewer look them in the eye, give a firm handshake
and smile. That impression in the first minute is very important.
P*********0
发帖数: 4321
28
来自主题: MedicalCareer版 - 活得太累
handshake
r*****1
发帖数: 805
29
来自主题: MedicalCareer版 - Path iv talk
感谢迟大talk,每年百忙中抽空为我们指点。虽然短短1hr,暴露了偶们各种各样严重
错误,迟大还一一点明方向。
Some notes:
1. after getting iv, prepare short CV—complicated, should be very clear
about each period, about study& work exp (1 page). ERAS no blank, or N/A—
reveals cautious; hobby, should be specific and meaningful
e.g: 03/10-03/11, experience
2. prepare suit, may not be expensive, but should be regular, mainly dark
color. –follow the rule, cooperate with people; no label; in winter, make
sure to make yourself tidy
3. During iv: ... 阅读全帖
d*********n
发帖数: 18
30
this one of my CS protocols, hope can help whoever going to take the test, I
don’t need any more.
not perfect, but good to figure out diagnosis, should not miss the diagnosis
,
do not need to ask all questions , must adjust base the case,
if better ideas, pleas modify to make easier for people who may need
Amenorrhea
Mental check list:
Pregnancy,
hyperprolatinemia,
hypothyroidism,
PCOS,
premature menopause,
depression
asheman syndrome,
anorexia nervosa,
strenuous exercise
Patricia Garrison, a 36... 阅读全帖
j******o
发帖数: 383
31
Event Tips
Benefits of a NurseWeek Career Fair
1. Speak with recruiters face-to-face.
2. Save time and the expense of mailing your resume.
3. Network with your colleagues and nurse recruiters.
4. Focus on facilities that are actively seeking new employees.
5. Make a good impression in a way that a resume cannot - with a smile
and a handshake.
Why do facilities participate?
1. To attract excellent applicants and to fill vacant nurse positions.
2. Visibility, public relations
s**********r
发帖数: 330
32
来自主题: Pharmaceutical版 - 你有GUTS吗? (灌水)
来了:
1. Survival of the Savvy: High-Integrity Political Tactics for Career and
Company Success
By Rick Brandon, Marty Seldman
2. The Secret Handshake: Mastering the Politics of the Business Inner Circle
By Kathleen Kelly Reardon
c*********s
发帖数: 327
33
来自主题: Quant版 - The handshake problem
Five non-same-sex couples, including the host and his wife, attend a party.
Throughout the evening, as introductions are made, various partygoers shake
hands. However, couples that are together do not shake hands with each other
. At the end of the evening, the host asks the nine other attendees how many
hands they shook and obtains nine different answers. How many hands did the
host shake and how many hands did his wife shake?
现在知道那九个数是(0-8), No0 and N8 is a couple.
剩下(1,7), (2,6), (3,5) 是对对, 但
C*********r
发帖数: 8
34
来自主题: Quant版 - The handshake problem

.
shake
other
many
the
interesting problem
I believe (8 0) (7 1) (6 2) (3 5) are couples
that leaves 4, which should be the host's wife, and which leaves the host no
choice but 4
J*******n
发帖数: 2901
35
TCP, keep connection always open这样不用handshake
UDP也可以,丢包了比较麻烦
m******h
发帖数: 297
36
很有启发,转过来分享,评论都很精彩。
http://www.kevinmd.com/blog/2013/08/patient-satisfaction-restau
Patient satisfaction: What restaurants can teach doctors
Neil Baum, MD | Physician | August 18, 2013
Americans are notoriously generous and good tippers. However, there are
some servers who get “over the top” gratuities. How do they do it?
1. They make a concerted effort to reach out and touch someone. How many
physicians enter a room and never touch a patient. They are touching more
keyboards than hearts. I ... 阅读全帖
z*******n
发帖数: 1034
37
来自主题: MobileDevelopment版 - [other news]every 15 minutes, sending precise location
Inmarsat offers airlines free global tracking to prevent another MH370
BY Daniel Cooper @danielwcooper May 12th 2014, at 4:38:00 am ET 35
After the disappearance of Malaysia Airlines flight MH370, the idea that a
plane could simply vanish in an age of information seemed impossible.
Satellite company Inmarsat is pledging to prevent the situation from
happening again, and will offer tracking services to every passenger airline
, free of charge. In the system, all planes would ping Inmarsat's track... 阅读全帖
f****g
发帖数: 23666
38
来自主题: _ChenChuSheng版 - 老少通吃大妈最爱
haha, handshake
she has an album realeased after the 06cn, but kind of bossnova...
too far away from pop
m******l
发帖数: 2472
39
handshake back。 就是书面意思,infer我都不敢问。 人家不乐意你问,但是还特喜欢
读,我担心她认为读书就是一个 phonics practice了。
w***o
发帖数: 3830
40
来自主题: _FantaSoccer版 - 今天见个spplier
是个德国人
人高马大
大手
很firm handshake
把我有伤的右手握的很疼
s*****a
发帖数: 3693
41
来自主题: _PerfectMoms版 - 二月灌水统计
handshake
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