dalarna.libapps.com - urlscan.io

Summary

This website contacted 3 IPs in 2 countries across 2 domains to perform 7 HTTP transactions. The main IP is 34.243.10.75, located in Dublin, Ireland and belongs to AMAZON-02, US. The main domain is dalarna.libapps.com.
TLS certificate: Issued by R3 on May 12th 2024. Valid for: 3 months.

This is the only time dalarna.libapps.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
2 5	34.243.10.75 34.243.10.75	16509 (AMAZON-02) (AMAZON-02)
3	2600:9000:251... 2600:9000:2514:5200:15:f7b6:9c00:93a1	16509 (AMAZON-02) (AMAZON-02)
1	2600:9000:225... 2600:9000:225e:6200:14:5b92:94c0:21	16509 (AMAZON-02) (AMAZON-02)
7	3

5 34.243.10.75 (Dublin, Ireland) 2 redirects

ASN16509 (AMAZON-02, US)
PTR: ec2-34-243-10-75.eu-west-1.compute.amazonaws.com

dalarna.libapps.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2600:9000:2514:5200:15:f7b6:9c00:93a1 (United States)

ASN16509 (AMAZON-02, US)

static-assets-eu.libapps.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2600:9000:225e:6200:14:5b92:94c0:21 (United States)

ASN16509 (AMAZON-02, US)

dkou0skpxpnwz.cloudfront.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
8	libapps.com 2 redirects dalarna.libapps.com static-assets-eu.libapps.com	92 KB
1	cloudfront.net dkou0skpxpnwz.cloudfront.net	15 KB
7	2

	Domain	Requested by
5	dalarna.libapps.com	2 redirects dalarna.libapps.com
3	static-assets-eu.libapps.com	dalarna.libapps.com
1	dkou0skpxpnwz.cloudfront.net
7	3

This site contains links to these domains. Also see Links.

Domain
ask.springshare.com
springshare.com

Subject Issuer	Validity	Valid
libapps.com R3	`2024-05-12` - `2024-08-10`	3 months	crt.sh
*.libapps.com Amazon RSA 2048 M02	`2023-09-13` - `2024-10-11`	a year	crt.sh
*.cloudfront.net Amazon RSA 2048 M01	`2023-10-10` - `2024-09-19`	a year	crt.sh

This page contains 1 frames:

Primary Page: https://dalarna.libapps.com/libapps/login.php
Frame ID: 491A99E791847509F0778D53ADB5A35C
Requests: 7 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

LibApps Login @ Dalarna University

Page URL History Show full URLs

https://dalarna.libapps.com/ HTTP 302
https://dalarna.libapps.com/libapps/admin HTTP 302
https://dalarna.libapps.com/libapps/login.php Page URL

Detected technologies

PHP (Programming Languages) Expand

Overall confidence: 100%
Detected patterns

\.php(?:$|\?)

Font Awesome (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

<link[^>]* href=[^>]+(?:([\d.]+)/)?(?:css/)?font-awesome(?:\.min)?\.css
<link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

jQuery (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

jquery[.-]([\d.]*\d)[^/]*\.js
jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

7
Requests

100 %
HTTPS

67 %
IPv6

2
Domains

3
Subdomains

3
IPs

2
Countries

107 kB
Transfer

412 kB
Size

1
Cookies

3 Outgoing links

These are links going to different origins than the main page.

URL: https://ask.springshare.com/faq/443
Title: Login FAQ

Search URL Search Domain Scan URL

URL: https://springshare.com/
Title: Springshare, LLC.

Search URL Search Domain Scan URL

URL: https://springshare.com/privacy.html
Title: Springshare privacy policy.

Search URL Search Domain Scan URL

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

https://dalarna.libapps.com/ HTTP 302
https://dalarna.libapps.com/libapps/admin HTTP 302
https://dalarna.libapps.com/libapps/login.php Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

7 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request login.php Show response
dalarna.libapps.com/libapps/
Redirect Chain

https://dalarna.libapps.com/
https://dalarna.libapps.com/libapps/admin
https://dalarna.libapps.com/libapps/login.php

11 KB
4 KB

102ms
101ms

Document
text/html

34.243.10.75
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://dalarna.libapps.com/libapps/login.php

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

34.243.10.75 Dublin, Ireland, ASN16509 (AMAZON-02, US),

Reverse DNS

ec2-34-243-10-75.eu-west-1.compute.amazonaws.com

Software

nginx /

Resource Hash

2e3557b61abef6053d5a03e301d242d8fa790911abf8898b6d24673e9edd1703

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'none'; upgrade-insecure-requests
Strict-Transport-Security	max-age=31536000; preload
X-Content-Type-Options	nosniff
X-Frame-Options	deny

Request headers

Accept-Language: de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Win32"

Response headers

content-encoding: gzip
content-security-policy: frame-ancestors 'none'; upgrade-insecure-requests
content-type: text/html; charset=UTF-8
date: Mon, 24 Jun 2024 08:39:46 GMT
server: nginx
strict-transport-security: max-age=31536000; preload
vary: Accept-Encoding
x-backend-server: libapps-eu-2.springyaws.com
x-content-type-options: nosniff
x-frame-options: deny

Redirect headers

content-security-policy: upgrade-insecure-requests
content-type: text/html; charset=UTF-8
date: Mon, 24 Jun 2024 08:39:46 GMT
location: /libapps/login.php
server: nginx
strict-transport-security: max-age=31536000; preload

GET
H2 200 font-awesome.min.css
dalarna.libapps.com/libapps/web/font-awesome/4.7.0/css/ 30 KB
7 KB 56ms
55ms Stylesheet
text/css 34.243.10.75
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://dalarna.libapps.com/libapps/web/font-awesome/4.7.0/css/font-awesome.min.css

Requested by

Host: dalarna.libapps.com
URL: https://dalarna.libapps.com/libapps/login.php

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

34.243.10.75 Dublin, Ireland, ASN16509 (AMAZON-02, US),

Reverse DNS

ec2-34-243-10-75.eu-west-1.compute.amazonaws.com

Software

nginx /

Resource Hash

799aeb25cc0373fdee0e1b1db7ad6c2f6a0e058dfadaa3379689f583213190bd

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; preload
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://dalarna.libapps.com/libapps/login.php
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 24 Jun 2024 08:39:46 GMT
strict-transport-security: max-age=31536000; preload
x-content-type-options: nosniff
last-modified: Mon, 07 Feb 2022 19:44:56 GMT
server: nginx
content-encoding: gzip
etag: W/"620176b8-7918"
vary: Accept-Encoding
content-type: text/css
cache-control: public,max-age=604800
x-backend-server: libapps-eu-2.springyaws.com

GET
H2 200 lg-public.min.css
static-assets-eu.libapps.com/libapps/web/css2.32.1.2/ 174 KB
25 KB 680ms
391ms Stylesheet
text/css 2600:9000:2514:5200:15:f7b6:9c00:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://static-assets-eu.libapps.com/libapps/web/css2.32.1.2/lg-public.min.css

Requested by

Host: dalarna.libapps.com
URL: https://dalarna.libapps.com/libapps/login.php

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:2514:5200:15:f7b6:9c00:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

nginx /

Resource Hash

dc74624c956482e3fa613683eacdd975be4e8dc3aef49b5e055c22719a349184

Security Headers

Name	Value
Content-Security-Policy	upgrade-insecure-requests
Strict-Transport-Security	max-age=63072000; preload
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://dalarna.libapps.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

content-security-policy: upgrade-insecure-requests
strict-transport-security: max-age=63072000; preload
x-content-type-options: nosniff
date: Mon, 24 Jun 2024 02:55:10 GMT
content-encoding: br
x-amz-cf-pop: JFK50-P8
age: 20677
via: 1.1 67d3f8867c3d6540e7495f9026c9c57a.cloudfront.net (CloudFront)
x-cache: Hit from cloudfront
x-backend-server: libapps-eu-2.springyaws.com
alt-svc: h3=":443"; ma=86400
last-modified: Mon, 15 Apr 2024 19:17:22 GMT
server: nginx
etag: W/"661d7d42-2b72f"
vary: Accept-Encoding
content-type: text/css
x-amz-cf-id: qB2LD-m5_qq55FG1IQJNmxpcFTQJy62F8X-fkThmuTr4SwY2Nzh_oQ==

GET
H2 200 libapps.public.css
dalarna.libapps.com/libapps/web/css2.32.1.2/ 3 KB
1 KB 56ms
56ms Stylesheet
text/css 34.243.10.75
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://dalarna.libapps.com/libapps/web/css2.32.1.2/libapps.public.css

Requested by

Host: dalarna.libapps.com
URL: https://dalarna.libapps.com/libapps/login.php

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

34.243.10.75 Dublin, Ireland, ASN16509 (AMAZON-02, US),

Reverse DNS

ec2-34-243-10-75.eu-west-1.compute.amazonaws.com

Software

nginx /

Resource Hash

1713fed6077df984f03f7cda393abff16352ee2f3d310464bc694530bb7a631e

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; preload
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://dalarna.libapps.com/libapps/login.php
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 24 Jun 2024 08:39:46 GMT
strict-transport-security: max-age=31536000; preload
x-content-type-options: nosniff
last-modified: Mon, 15 Apr 2024 19:17:22 GMT
server: nginx
content-encoding: gzip
etag: W/"661d7d42-a42"
vary: Accept-Encoding
content-type: text/css
cache-control: public,max-age=604800
x-backend-server: libapps-eu-2.springyaws.com

GET
H2 200 jquery-3.6.0.min.js Show response
static-assets-eu.libapps.com/libapps/web/jquery/js/ 87 KB
30 KB 653ms
365ms Script
application/javascript 2600:9000:2514:5200:15:f7b6:9c00:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://static-assets-eu.libapps.com/libapps/web/jquery/js/jquery-3.6.0.min.js

Requested by

Host: dalarna.libapps.com
URL: https://dalarna.libapps.com/libapps/login.php

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:2514:5200:15:f7b6:9c00:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

nginx /

Resource Hash

ff1523fb7389539c84c65aba19260648793bb4f5e29329d2ee8804bc37a3fe6e

Security Headers

Name	Value
Content-Security-Policy	upgrade-insecure-requests
Strict-Transport-Security	max-age=63072000; preload
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://dalarna.libapps.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

content-security-policy: upgrade-insecure-requests
strict-transport-security: max-age=63072000; preload
x-content-type-options: nosniff
date: Mon, 24 Jun 2024 02:34:11 GMT
content-encoding: br
x-amz-cf-pop: JFK50-P8
age: 21936
via: 1.1 67d3f8867c3d6540e7495f9026c9c57a.cloudfront.net (CloudFront)
x-cache: Hit from cloudfront
x-backend-server: libapps-eu-2.springyaws.com
alt-svc: h3=":443"; ma=86400
last-modified: Mon, 07 Feb 2022 19:44:56 GMT
server: nginx
etag: W/"620176b8-15d9d"
vary: Accept-Encoding
content-type: application/javascript
x-amz-cf-id: KEwbVOiUw4a3RuPdc7UPwMbuTM7k3ofwCqBfxCCEBuDaaNKHU3shCg==

GET
H2 200 lg-public.min.js Show response
static-assets-eu.libapps.com/libapps/web/js2.32.1.2/ 92 KB
25 KB 434ms
146ms Script
application/javascript 2600:9000:2514:5200:15:f7b6:9c00:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://static-assets-eu.libapps.com/libapps/web/js2.32.1.2/lg-public.min.js

Requested by

Host: dalarna.libapps.com
URL: https://dalarna.libapps.com/libapps/login.php

Protocol

H2

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:2514:5200:15:f7b6:9c00:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

nginx /

Resource Hash

8f8a6f40b1b80a53b10922c380cf36d15f4b0cb036a07e6202e8309f8e858b41

Security Headers

Name	Value
Content-Security-Policy	upgrade-insecure-requests
Strict-Transport-Security	max-age=63072000; preload
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://dalarna.libapps.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Mon, 24 Jun 2024 01:44:13 GMT
content-security-policy: upgrade-insecure-requests
x-content-type-options: nosniff
strict-transport-security: max-age=63072000; preload
content-encoding: gzip
x-amz-cf-pop: JFK50-P8
age: 24934
via: 1.1 67d3f8867c3d6540e7495f9026c9c57a.cloudfront.net (CloudFront)
x-cache: Hit from cloudfront
x-backend-server: libapps-eu-1.springyaws.com
alt-svc: h3=":443"; ma=86400
last-modified: Mon, 15 Apr 2024 19:16:26 GMT
server: nginx
etag: W/"661d7d0a-16ef7"
vary: Accept-Encoding
content-type: application/javascript
x-amz-cf-id: 9srcq6QSVrQ9kUQgtKlAU6SWfe8dyfwYlyaAN-63aiQT3mtmclQGMg==

GET
H2 200 favicon.ico
dkou0skpxpnwz.cloudfront.net/apps/common/favicon/ 15 KB
15 KB 187ms
42ms Other
image/x-icon 2600:9000:225e:6200:14:5b92:94c0:21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL: https://dkou0skpxpnwz.cloudfront.net/apps/common/favicon/favicon.ico
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2600:9000:225e:6200:14:5b92:94c0:21 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software: AmazonS3 /
Resource Hash: 5038d1294db953c56f59a7b9bf3cd7caec9c04f59bee4642c6b1013878f9dc3d

Request headers

sec-ch-ua: "Google Chrome";v="126", "Not:A-Brand";v="8", "Chromium";v="126"
Referer: https://dalarna.libapps.com/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

x-amz-version-id: qrcQkrneGPp4qkBR5KvvMy0806hItpXs
date: Mon, 24 Jun 2024 05:43:26 GMT
via: 1.1 0c371064bf157d89e4b3520c0b29474c.cloudfront.net (CloudFront)
x-amz-cf-pop: FRA60-P4
age: 83482
x-amz-server-side-encryption: AES256
x-amz-meta-cb-modifiedtime: Wed, 23 May 2018 17:22:58 GMT
x-cache: Hit from cloudfront
content-length: 15086
last-modified: Tue, 25 Oct 2022 19:16:03 GMT
server: AmazonS3
etag: "65f45be2f746f5dbb6bd04ee4f980315"
vary: Accept-Encoding, Origin
content-type: image/x-icon
cache-control: public,max-age=604800
accept-ranges: bytes
x-amz-cf-id: F8mrWIPtBpwHSamwCuqlGA0HPlHst_xP6Si8Alg1WCeTMtsAdmjj_Q==

Verdicts & Comments Add Verdict or Comment

13 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

1 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

			Domain/Path	Expires	Name / Value
			dalarna.libapps.com/	1970-01-20 21:38:40	Name: sc_lib_eu Value: %7B%22FXdpUJCiaGP7GFrDflGVUg%3D%3D%22%3A%22rChnVh%5C%2FE18zUp6QRcv%5C%2FYEJqttgGCgzpwGRHYmiPfnM8%3D%22%2C%22keysig%22%3A%221279909327262453%22%7D

1 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
recommendation	verbose	URL: https://dalarna.libapps.com/libapps/login.php Message: [DOM] Input elements should have autocomplete attributes (suggested: "current-password"): (More info: https://goo.gl/9p2vKq) %o

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header	Value
Content-Security-Policy	frame-ancestors 'none'; upgrade-insecure-requests
Strict-Transport-Security	max-age=31536000; preload
X-Content-Type-Options	nosniff
X-Frame-Options	deny

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

dalarna.libapps.com
dkou0skpxpnwz.cloudfront.net
static-assets-eu.libapps.com
2600:9000:225e:6200:14:5b92:94c0:21
2600:9000:2514:5200:15:f7b6:9c00:93a1
34.243.10.75
1713fed6077df984f03f7cda393abff16352ee2f3d310464bc694530bb7a631e
2e3557b61abef6053d5a03e301d242d8fa790911abf8898b6d24673e9edd1703
5038d1294db953c56f59a7b9bf3cd7caec9c04f59bee4642c6b1013878f9dc3d
799aeb25cc0373fdee0e1b1db7ad6c2f6a0e058dfadaa3379689f583213190bd
8f8a6f40b1b80a53b10922c380cf36d15f4b0cb036a07e6202e8309f8e858b41
dc74624c956482e3fa613683eacdd975be4e8dc3aef49b5e055c22719a349184
ff1523fb7389539c84c65aba19260648793bb4f5e29329d2ee8804bc37a3fe6e

dalarna.libapps.com Open in urlscan Pro 34.243.10.75 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

7 Requests

100 %HTTPS

67 %IPv6

2 Domains

3 Subdomains

3 IPs

2 Countries

107 kBTransfer

412 kBSize

1 Cookies

3 Outgoing links

Page URL History

Redirected requests

7 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

13 JavaScript Global Variables

1 Cookies

1 Console Messages

Security Headers

Indicators

dalarna.libapps.com Open in urlscan Pro
34.243.10.75 Public Scan

Screenshot
Live screenshot

Full Image

7
Requests

100 %
HTTPS

67 %
IPv6

2
Domains

3
Subdomains

3
IPs

2
Countries

107 kB
Transfer

412 kB
Size

1
Cookies

7 HTTP transactions
0 data transactions