Hi! My site is Portuguese, but the vast majority of link destinations are sites in English. Should I write comments and articles in Portuguese or English? I asked why I didn’t find any concrete answer about this in 2020.
phpseclib has been around for some time now. I just started toying with it and I am definitely interested in using this for a project. That said, I am not able to find much information on how professionals feel about the library versus other possibly more secure ones.
I’m posting this simply to ask if I can trust
phpseclib (relatively). I would want to use
2.0. Sometimes things are too good to be true and this feels like one of those times. If there are better (preferably easy to implement) solutions out there I am all ears. I had originally been researching the
php ssh2 extension but extensions aren’t desirable.
My provider still uses VPN with MS-CHAP2(no encryption). How easy can it be exploited? I see a lot of articles but they are from 2012/2013. And some sites do not work. What is going on? Has Microsoft fixed it? Is it still not secure? How cheap such attack can be? What should I do if provider will not consider change of protocol?
I use a t440p laptop that has a 4th gen Intel CPU. I may soon begin working on sensitive data. Is Spectre something I should still worry about? Should I upgrade my laptop? I plan on exclusively running a current Linux distro on it.
I’ve researched this and found the following on StackExchange and ServerFault, but they’re very old.
Is it a bad idea for a firewall to block ICMP?
Security risk of PING?
So, as of now (mid-2020) is there any valid security reason to block outbound ping on one’s server.
Hi, I newbie and just one week buy GSA SER. I want to know, GSA SER still powerful in 2020? I believe these tools still strong, how about you?
I posted this question already on SO, but as it is not really a programmin question I thought it might be a better place to ask here:
I want to setup a new SSL certificate store for generating SSL certs (server certs (nginx) and client certs (linux/windows devices))
I’m searching already for quite some time and I’m not sure I fully understand. especially as some articles are a few years old.
Many articles just talk about RSA end seem to recommend 2048 or 3072 though mentioning that 2048 is today probably still the best choice ( https://expeditedsecurity.com/blog/measuring-ssl-rsa-keys/ )
I found for example one Article ( https://paragonie.com/blog/2019/03/definitive-2019-guide-cryptographic-key-sizes-and-algorithm-recommendations ) but it seems to talk mostly about key encryption as @dave_thompson_085 pointed out on SO
stating in the section “Asymmetric (“Public Key”) Encryption”
Use, in order of preference: X25519 (for which the key size never changes) then symmetric encryption. ECDH with secp256r1 (for which the key size never changes) then symmetric encryption. RSA with 2048-bit keys. The security of a 256-bit elliptic curve cryptography key is about even with 3072-bit RSA. Although many organizations are recommending migrating from 2048-bit RSA to 3072-bit RSA (or even 4096-bit RSA) in the coming years, don't follow that recommendation. Instead migrate from RSA to elliptic curve cryptography, and then breathe easy while you keep an eye out for post-quantum cryptography recommendations.
However they don’t mention the impact on server CPU usage compared to RSA 2048/3072/4048. I also didn’t find many other articles suggesting to switch to Elliptic curve algorithms.
Another article ) https://www.thesslstore.com/blog/you-should-be-using-ecc-for-your-ssl-tls-certificates/ _ tries to promote ECC instead of RSA, but comments on the article state, that ECC is less safe than RSA if quantum computers kick in. And the article cites nowhere numbers for what performance improvement to expect when using ECC.
https://crypto.stackexchange.com/questions/1190/why-is-elliptic-curve-cryptography-not-widely-used-compared-to-rsa mentions potentially legal issues and fear of being sued.
Though CPU usage is not a major issue Id still like to get some idea as I’d like to use the same CA and cert store also on devices like raspberries.
So what is today the best choice for certificate key algorithms and key sizes for server certs (old internet explorer not required but PCs, tablets, mobile phones being used today should be able to connect to the server
and what’s the best choice for client certs (will not be used on mobile devices)?
I kind of tend to RSA 2048, but I’m really not that sure I interpret all the articles correctly and don’t like to make choices based on feelings.
Title says the whole.
I use paypal, payoneer and cryptocurrency.
It seems paypal is still pioneering the topic.
It may varies for person to person.
What is your choice it this 2020?
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